Check free disk space in Linux: $ df -h. If you do not have LVM volumes, you can use the parted tool to extend partitions in Linux: $ sudo parted. Let’s check how much unallocated space you have on the disk: print free. As you can see, Free Space = 2149MB. To extend the /dev/sda3 partition, run:Type and select “This PC”. Right-click the hard drive that’s running low on space and select “Properties”. Select "Disk Cleanup". Click “Clean up System Files”. Once your computer is finished cleaning, select "More Options". Below “System Restore and Shadow Copies,” choose “Cleanup”. Click “Delete".To free up disk space using Storage Sense: Click Start and open Settings app. Click System. Click Storag e. Turn on the Storage sense toggle switch. Under the Storage section, click Configure Storage Sense or run it now. Under the Temporary Files section, check the Delete temporary files that apps aren't using option.Nov 21, 2023 · To free up disk space using Storage Sense: Click Start and open Settings app. Click System. Click Storag e. Turn on the Storage sense toggle switch. Under the Storage section, click Configure Storage Sense or run it now. Under the Temporary Files section, check the Delete temporary files that apps aren't using option. Free up disk space. To free up disk space on a Linux computer or server, use one of the commands listed above to determine which directories are using the most disk space. Then, review each directory and delete any unnecessary directories. Determining the files to delete is the tricky part. Make sure not to delete any files that are …Check free disk space in Linux: $ df -h. If you do not have LVM volumes, you can use the parted tool to extend partitions in Linux: $ sudo parted. Let’s check how much unallocated space you have on the disk: print free. As you can see, Free Space = 2149MB. To extend the /dev/sda3 partition, run:Use Command Prompt or PowerShell to Launch Disk Management. You can also start Disk Management from a command line if you'd like — click the Start button, type "cmd" or "powershell" into the search bar, and then hit Enter. (You can also launch Windows Terminal on Windows 11.) Type diskmgmt.msc in Command Prompt or …Cleaning up cache will free up space. Now, you have two ways to clean the APT cache. Either remove only the outdated packages, like those superseded by a recent update, making them completely unnecessary. sudo apt-get autoclean. Or delete apt cache in its entirety (frees more disk space): sudo apt-get clean. 4.To run the Disk Cleanup, press WINDOWS + S to launch the ‘Search’ menu, enter ‘Disk Cleanup’ in the text field at the top, and click on the relevant search result to launch the app. You have to first select the drive that you intend to clean from the drop-down menu. After choosing a drive, click on ‘OK’ to proceed.How-to. By Mauro Huculak. last updated 4 April 2022. Here are the steps to use the Disks & volumes settings and Disk Management consoles to manage storage devices on …It depends on the types of files you'll be compressing. If the drive contains files that are already compressed or just don't compress well, you won't save much space. For example, if you compress a drive full of .zip files, those .zip files are already compressed files and the additional compression won't do much.Jun 21, 2021 · Swapping occurs when a computer runs out of physical memory (RAM) and needs more space to store information about the running processes and applications. It uses a file on the hard drive called swapfile.sys to hold it. As Windows works with that information, it constantly reads and writes to swapfile.sys, driving up disk usage. Go to any folder in nautilus and right click the background. Open the properties window to check the free space. Run the command df -h. Disk Usage Analyzer was what I needed, a simple Windows-style per-drive breakdown (used / total) rather than a bunch of directories which are on the same drive.Feb 8, 2024 · February 8, 2024. Windows 10 free up space settings / Image: Mauro Huculak. To free up disk space on Windows 10, open Settings > System > Storage > Temporary files, select the unnecessary files, and click “Remove files” to make more space on the “C” drive. In addition, you can open Settings > System > Storage > Storage Sense, select the ... Has your computer been running slower than usual? Are you constantly receiving alerts about low disk space? If so, it’s time to take action and free up some storage on your PC. By ...WinDirStat is a disk usage statistics viewer and cleanup tool for various versions of Microsoft Windows. Note: if you are looking for an alternative for Linux, you are looking for KDirStat ( apt-get install kdirstat or apt-get install k4dirstat on Debian-derivatives) or QDirStat and for MacOS X it would be Disk Inventory X or GrandPerspective.To free up disk space using Storage Sense: Click Start and open Settings app. Click System. Click Storag e. Turn on the Storage sense toggle switch. Under the Storage section, click Configure Storage Sense or run it now. Under the Temporary Files section, check the Delete temporary files that apps aren't using option.This was reported in one of the database alert logs, and we were able to clear out some space before the next log switch, at which point the production would have come to a halt. It certainly would have been nice to have a little more warning, like when the disk group was 70% full. What options do we have for monitoring disk usage inside ASM?Check Free Disk Space on All Volumes. To check the free disk space of all available volumes, open a PowerShell window and execute the following command: Get-Volume. This command will display a detailed list of all volumes, their capacity, free space, and other essential information. The output will help you identify which volumes run low …Apr 22, 2022 · It displays graphs for CPU, RAM, disk, and network usage. You can also check how much free space there is on your PC’s local drive with Resource Monitor as follows: Input the keyword Resource Monitor within your Start menu’s search box. Select the Resource Monitor search result. Click the Disk tab in Resource Monitor. Learn how to delete files, move files, and reduce cloud storage to free up disk space on your Windows device. Follow the steps for Windows 11 or Windows 10 to optimize your storage settings.The warning is of course spurious as the amount of free space on a system recovery partition is completely irrelevant. There is ample free space ...Sep 15, 2023 · Performing a regular disk-cleaning regimen frees up precious storage space and helps keep Windows 10 or 11 operating smoothly. Follow some or all of these steps to get yourself a lean, clean machine. Uniform plant spacing, seeding depth, and emergence are important factors heavily influenced by both machine settings and soil conditions. Understanding load distribution … Disc Space by discspace. Download Now. Disc Space is a multiplayer Ultimate Frisbee game with up to 10 players online. Play with your friends or find new ones. Unlimited fun is guaranteed. Features: Play 3v3, 4v4, 5v5 Ultimate Frisbee game. Play with your friends or find new ones (you could also play with or agains 'Computer AI') Learn how to delete files, move files, and reduce cloud storage to free up disk space on your Windows device. Follow the steps for Windows 11 or Windows 10 to optimize your storage settings.Run Storage Sense: Run Storage Sense during low disk space (default) or every day, week or month.; Delete files in my recycle bin if they have been there for over: Choose 1 day, 14 days, 30 days ...SpaceSniffer is a freeware disk space analyzer for Windows that make use of the Treemap concept to view the current disk usage. Among the most notable features you'll find: Features. drag and drop support. intuitive structure layout (multiple views for different media) zoom elements (browser-like navigation)Press Win+R to bring up the RUN box, type in “sysdm.cpl” and hit Enter. In the “System Properties” window, go to the Advanced tab. Then, under “Performance”, click Settings. Under the Advanced tab, click on Change. Uncheck the box that says “ Automatically manage paging file sizes for all drives“.I was using my computer the other day and it suddenly started to make a high-pitched squealing sound and then stopped working. When I took it in for repair, the service guy said th...Follow the steps below: Search for the Disk Cleanup app in the search bar and open it in Administrator mode. Select the “C:” drive from the list of drives you want to clean up. Wait for Disk Cleanup to calculate the space it will free up. Click on “OK” to free up the disk space occupied by the above files.It depends on the types of files you'll be compressing. If the drive contains files that are already compressed or just don't compress well, you won't save much space. For example, if you compress a drive full of .zip files, those .zip files are already compressed files and the additional compression won't do much. Disk cleanup in Windows. To delete temporary files: In the search box on the taskbar, type disk cleanup, and select Disk Cleanup from the list of results. Select the drive you want to clean up, and then select OK. Under Files to delete, select the file types to get rid of. To get a description of the file type, select it. Understanding Hard Disk Drive (HDD) Storage. The hard disk drive (HDD) is the primary data storage device in desktop computers and many other electronic devices. Its main function is to write data, store it magnetically on flat circular disks, and read it back when needed. The hard disk drive has been a staple in computing systems since its ...Mar 23, 2022 · The df command primarily checks disk usage on a mounted filesystem. If you don't include a file name, the output shows the space available on all currently mounted filesystems. Disk space is shown in 1K blocks by default: $ df. Filesystem 1 K-blocks Used Available Use% Mounted on. Symptoms of bulging C5-6 disks include weakness and shoulder pain, according to Spine-health. Symptoms of bulging C6-7 disks include weakness and pain in the triceps and into the f... In Windows 10, go to Settings > Apps > Apps & features and sort the list by name, size, or install date. Click the entry for an app you wish to delete. In Windows 11, go to Settings > Apps ... Free up your disk space. WizTree makes it very easy to locate and remove "Space hogs" from your hard drive. The visual tree map displays the sizes of all of your files visually, helping you to quickly locate large files and folders.To free up disk space using Storage Sense: Click Start and open Settings app. Click System. Click Storag e. Turn on the Storage sense toggle switch. Under the Storage section, click Configure Storage Sense or run it now. Under the Temporary Files section, check the Delete temporary files that apps aren't using option.Tracking Down Where Disk Space Has Gone on Linux. 1. Introduction. A healthy system is supposed to have enough free disk resources to stay operational. It is generally preferable that at least some percentage of the disk capacity remains free most of the time. When disk space is exhausted, a No space left on device system message in …To free up disk space using Storage Sense: Click Start and open Settings app. Click System. Click Storag e. Turn on the Storage sense toggle switch. Under the Storage section, click Configure Storage Sense or run it now. Under the Temporary Files section, check the Delete temporary files that apps aren't using option.Scroll down to the Reset section. (Credit: Microsoft/PCMag) 5. Note that are two buttons, Repair and Reset. Click Reset. The first one doesn’t touch the app’s data—that's not what we want ...Use the df command to view your system’s available disk space for each drive. The df command (short for “disk free”) shows each drive’s disk size, space used, and free space. Each “block” in the above output represents one kilobyte. To make the output from df easier to read, you can add the -h option. This option displays disk space ...Learn eight ways to clear up space on your internal storage drive, such as using Disk Cleanup, uninstalling programs, analyzing disk space, and enabling Storage Sense. …7 Effective Ways to Free Up Disk Space on Windows 10/8/7. After checking out what is taking the most space on your hard drive in Windows 7, Windows 8, or Windows 10, you need to try some solutions to free up disk space on Windows 8 or 10. You can follow the provided approaches here to free up space for important files, and programs, …To free up memory, run fewer programs at the same time. Disk space is about your hard drive, where data is stored permanently (or until you or a program explicitly erases it). To free up disk space, delete …Use Command Prompt or PowerShell to Launch Disk Management. You can also start Disk Management from a command line if you'd like — click the Start button, type "cmd" or "powershell" into the search bar, and then hit Enter. (You can also launch Windows Terminal on Windows 11.) Type diskmgmt.msc in Command Prompt or …It depends on the types of files you'll be compressing. If the drive contains files that are already compressed or just don't compress well, you won't save much space. For example, if you compress a drive full of .zip files, those .zip files are already compressed files and the additional compression won't do much.How to FREE UP disk space on Windows 10 PC & Laptop? In this tutorial, I show you how to get more storage space on your Windows computer. We free up storage ...Use Disk Cleanup in Windows to delete the unused data. Step 1: Double click This PC on the desktop. Step 2: Right click the partition on which Steam games are installed and then select Properties at the bottom. Step 3: Click Disk Cleanup on the page to free up disk space. Step 4: You should see a new pop-window.Decreasing the disk space used for System Restore Point might be the solution to C drive keeps filling up. Step 1. To configure System Protection, right-click This PC/Computer, choose Properties, and hit System Protection from the left option panel. Step 2. Then you get the System Protection window.Here are six tips for freeing up disk space on Windows 10. 1. Delete Old Versions of Windows Windows automatically saves data from older versions of Windows after you upgrade to a newer version. This lets you roll back to previous versions if needed. However, the old data takes up a lot of space.In today’s digital age, our computers have become a central hub for storing countless files and applications. However, as the amount of data on our PCs continues to grow, it’s esse...Aug 20, 2023 ... Note: you can empty the Downloads folder after the apps and/or updates that were downloaded have been installed or applied. Some users have ...To check the free space for a specific file system, you can use the -t option with the df command, followed by the file system type. For example, to check the free space for the ext4 file system, you would use the following command: df -t ext4. free disk space in Linux by file system type. This will produce output similar to the following. Windows needs space to update. We can't install the latest Windows 11 features and security improvements on your PC due to low disk space. Get more space with external storage. You can temporarily gain extra space by using an external storage device like a USB drive, an SD card, or an external hard drive. Here’s what you’ll need: Choose Next > on the Specify Volume Size step to confirm the size of the drive you're creating.. The default size that you see in the Simple volume size in MB: field should equal the amount shown in the Maximum disk space in MB: field. This means that you're creating a partition that equals the total available space on the physical hard drive.Learn how to clear up disk space on your Windows PC by using Disk Cleanup, uninstalling apps, archiving or deleting files, and more. Find out how to make OneDrive files online-only or move them to a removable drive for more storage.To free up disk space using Storage Sense: Click Start and open Settings app. Click System. Click Storag e. Turn on the Storage sense toggle switch. Under the Storage section, click Configure Storage Sense or run it now. Under the Temporary Files section, check the Delete temporary files that apps aren't using option.published 15 May 2024. The disk contains enough mass to potentially assemble a multitude of Jupiter-sized planets. IRAS 23077+6707, an edge-on planet-forming disk, has the …February 8, 2024. Windows 10 free up space settings / Image: Mauro Huculak. To free up disk space on Windows 10, open Settings > System > Storage > Temporary files, select the unnecessary files, and click “Remove files” to make more space on the “C” drive. In addition, you can open Settings > System > Storage > Storage Sense, select the ...Learn how to use File Explorer or the Settings app to see how much free disk space you have on your PC. Also, find out how to free up space by uninstalling programs or using the Free Up Space tool.Feb 7, 2024 · Open Settings on Windows 10. Click on System. Click on Storage. Under the “ (C:)” section, you will see what’s taking up space on the main hard drive. Click the “Show more categories” option to view the storage usage from other file types. (Optional) Click the “View storage usage on other drives” option under the “More storage ... df - report file system disk space usage. Usage works like such: df -h. Which should output something like this: Filesystem Size Used Avail Use% Mounted on. /dev/vzfs 20G 3.5G 16G 18% /. The -h flag provides human readable output (which makes reading of the output - easier).Navigate to the location of the folder you want to check the size of. Right-click on the folder and select Properties. Go to the General tab and check both Size and Size on disk. Click Ok to exit ...1. Navigate to the Storage page in the Settings app. The quickest way to do this is to open the Start menu, search for “Storage” and choose “Storage settings,” but you can also launch the ...Apr 13, 2024 · Run Storage Sense: Run Storage Sense during low disk space (default) or every day, week or month.; Delete files in my recycle bin if they have been there for over: Choose 1 day, 14 days, 30 days ... Nov 1, 2023 · To free up space on other drives, go to [Start] > [Settings] > [System] > [Storage], then select [Storage used on other drives] under [Advanced storage settings]. Type and search [Turn on Storage Sense] in the Windows search bar ①, then click [Open]②. Select [Storage Sense]③. Check the box in [Cleanup of temporary files] section ④. To access the Storage settings, go to Settings > System > Storage. Once there, you will see a screen with various settings, but what we care about is the section that starts with Local Disk (C ...But if you don’t want to free up the space, you can convert the basic disk to dynamic disk. The dynamic disk will use the space from other drives so that you can have enough space to complete the operation. WARNING: If you converted the basic disk to dynamic disk, you couldn’t convert the dynamic disk back to the basic disk. Before you …Check Disk Space on Linux using df. The easiest and more popular way to check your disk space is to run the df command. $ df <options>. If you run the “df” command, this is the output that you would get. ubuntu:~$ df. Filesystem 1K-blocks Used Available Use% Mounted on. udev 2007152 0 2007152 0% /dev.Dec 15, 2023 · 4. Check Disk Space Usage of /home Directory. The command "df -hT /home" is used to display disk space utilization of /home directory or partition in a human-readable format. The -T option shows the filesystem type ( ext4) along with other information. df -hT /home. Check /home Directory Disk Space. Here’s a quick guide on how to check the disk space using this Windows tool: First, press Ctrl + Shift + Esc to launch Task Manager in Windows 11. Then, switch to the Performance tab and select Disk. In the right pane, you can check the total space of your hard drive.4. Check Disk Space Usage of /home Directory. The command "df -hT /home" is used to display disk space utilization of /home directory or partition in a human-readable format. The -T option shows the filesystem type ( ext4) along with other information. df -hT /home. Check /home Directory Disk Space.Learn how to check and increase the disk space on your Windows 11 or Windows 10 device. Find tips and solutions for low disk space errors, Windows updates, and storage options.Cleaning up cache will free up space. Now, you have two ways to clean the APT cache. Either remove only the outdated packages, like those superseded by a recent update, making them completely unnecessary. sudo apt-get autoclean. Or delete apt cache in its entirety (frees more disk space): sudo apt-get clean. 4.Jan 11, 2024 · Disk space is also alternatively called disk storage, disk capacity, or disk capacity. Disk space is the total amount of storage on your web server where your website files and content are stored. On different devices, things become different. The following content explains disk space on Mac/phone/laptop. What Is Disk Space? Disk space refers to the maximum amount of data that can be stored on a given disk drive, USB, or other data storage space devices. Disk capacity is often measured in terms of kilobytes (KB), megabytes (MB), gigabytes (GB), or terabytes (TB) with one KB is equivalent to 1024 bytes, one MB is equal to 1024 kilobytes, and so ...Click the Start button and search for Command Prompt. Right-click Command Prompt at the top of the search results and select Run as administrator. In the Command Prompt window, enter: powercfg ...Add an option to the df command for detailed disk space checking in Linux. Popular options include: df -h – shows the result in a human-readable format. df -m – displays file system usage information in MB. df -k – tells users the file system usage in KB. df -T – specifies the file system type in a new column. Search for Create and format hard disk partitions and click the top result to open the Disk Management c
Learn how to find your drive's capacity, used space, or free space using File Explorer, Command Prompt, or Settings. Also, get tips on how to manage your disk space and …Detailed disk space consumption reports. Manage disk space consumption grouped by file type, file size, attributes, file date, and file ownership. Drill down and examine which files are using up your valuable disk space. It's likely that your current hard drive is large enough for your needs if you manage your data storage prudently.Shows you how to check how much free disk space you have in windows 10, handy if you think you are running out of disk space.The Mid-InfraRed Instrument (MIRI) on board the James Webb Space Telescope (JWST) probes the chemistry and dust mineralogy of the inner regions of protoplanetary disks. …Free up your disk space. WizTree makes it very easy to locate and remove "Space hogs" from your hard drive. The visual tree map displays the sizes of all of your files visually, helping you to quickly locate large files and folders.Windows 10. Select the Start button, and then select Settings . Select System > Storage . Check your storage. Select the Start button > Settings > System > Storage.Learn how to delete temporary and system files to free up disk space on your PC. Follow the steps to run Disk Cleanup and select the file types to get rid of.The simplest way to find the free disk space on Linux is to use df command. The df command stands for disk-free and quite obviously, it shows you the free and available disk space on Linux systems. df -h. With -h option, it shows the disk space in human-readable format (MB and GB). Here’s the output of the df command for my Dell …Windows 10. Select the Start button, and then select Settings . Select System > Storage . Check your storage. Select the Start button > Settings > System > Storage.Nov 21, 2023 · To free up disk space using Storage Sense: Click Start and open Settings app. Click System. Click Storag e. Turn on the Storage sense toggle switch. Under the Storage section, click Configure Storage Sense or run it now. Under the Temporary Files section, check the Delete temporary files that apps aren't using option. Jan 16, 2017 · Choose 'Properties', then under the General tab click on the 'Disk Clean-up' button. After a few minutes of scanning, you should see a list of file types together with how much space can be saved ... Sep 24, 2023 — Sagar Sharma. Check Disk Space in the Ubuntu Command Line. The easiest way to check the disk space is to use the df command: df -H. And if you are curious, the -H option with the df command is used to get output in human-readable form. You can clearly see, it gave me all the necessary details like the size of the disk, used ...The main advantage of a zip disk is its portability that allows users to exchange or move files around; however, it is a relatively old technology and most modern computers don’t h...What I'd do in your case would be try decreasing the disk usage by booting into maintenance menu, perform FSCK and probably wiping panlogs, boot PANOS and if ...Computing a number of bytes on a disk for the storage of data.... Click for pronunciations, examples sentences, video.To free up disk space using Storage Sense: Click Start and open Settings app. Click System. Click Storag e. Turn on the Storage sense toggle switch. Under the Storage section, click Configure Storage Sense or run it now. Under the Temporary Files section, check the Delete temporary files that apps aren't using option.Let’s look for the top ten largest directories on the system. du -a / | sort -n -r | head -n 10. It will scan and produce a similar type of result as this. Ignore the permissions warning for now. For a full list of possible parameters, check out the du man page. Also read: 7 Best Apps to View Disk Usage in Linux.Jan 20, 2019 ... Windows is good at letting you know how much free disk space is available, but four free disk usage analysis and remediation tools help you ...Follow the steps below and learn how to check total disk space in Windows 10: Step 1. Press Windows + R keys to evoke Run, type diskmgmt.msc and hit Enter. Step 2. The Disk Management will open. In the section below, you can see how many hard disks you have and the total hard drive size for each hard disk. Way 4.Type and select “This PC”. Right-click the hard drive that’s running low on space and select “Properties”. Select "Disk Cleanup". Click “Clean up System Files”. Once your computer is finished cleaning, select "More Options". Below “System Restore and Shadow Copies,” choose “Cleanup”. Click “Delete".Boeing's first Starliner mission carrying astronauts into space has been delayed again - until at least May 21 - over an issue with the spacecraft's propulsion system, the company …Disk cleanup in Windows. To delete temporary files: In the search box on the taskbar, type disk cleanup, and select Disk Cleanup from the list of results. Select the drive you want to clean up, and then select OK. Under Files to delete, select the file types to get rid of. To get a description of the file type, select it.Search for Disk Management from the Windows Start menu, then select Create and format hard disk partitions from the results given. Right-click on the unallocated hard drive and select New Simple ...While 9gb is free, you have essentially run out of disk space. I have been there myself. You really need to address why you're full and get rid of data. Even if ...is this windows? Have you got hibernation or standby enabled? How big is your paging file? Use something like Folder Tree Size to audit your ...To open Disk Management, right-click (or long-press) the Start button and select Disk Management. If you need help freeing up space on your PC, see Disk cleanup in Windows or Free up drive space in Windows. Disk Management in Windows helps you perform advanced storage tasks like initializing a new drive and extending or shrinking volumes.Mar 27, 2023 · Check out Windows folders you can delete to save space for more info on the specific items you can remove with Disk Cleanup. Storage Sense Windows 10 and Windows 11 both include much of this same functionality of Disk Cleanup, with a nicer interface, at Settings > System > Storage . Mar 23, 2022 · The df command primarily checks disk usage on a mounted filesystem. If you don't include a file name, the output shows the space available on all currently mounted filesystems. Disk space is shown in 1K blocks by default: $ df. Filesystem 1 K-blocks Used Available Use% Mounted on. To check the free disk space and disk capacity with Usage: Open the Usage application from the Activities overview. Select Storage tab to view the system’s total Used and Available disk space, as well as the used by the Operating System and common user’s directories. Disk space can be freed from user’s directories and its subdirectories ... So, to check disk space using the Command Prompt (CMD), follow these steps: Step 1. Press the "Windows + R" keys, type " cmd " from the menu and hit Enter. Step 2. Type the following command and press the "Enter" key to see a summary of your drive's space usage. wmic logicaldisk get size,freespace,caption.Jun 23, 2022 ... Even after you delete space-hogging files, they still remain in your Recycle Bin until you take out the trash. Free up disk space by selecting ...To free up memory, run fewer programs at the same time. Disk space is about your hard drive, where data is stored permanently (or until you or a program explicitly erases it). To free up disk space, delete …Sep 12, 2023 · In older versions of Windows, go instead to Organize > Layout > Navigation Pane (7 and Vista), or View > Explorer Bar > Folders (XP). On the right-hand side, find the drive on which you want to know how much free space is left. In Windows 11/10/8, all storage devices are listed in the Devices and drives area. Run Storage Sense: Run Storage Sense during low disk space (default) or every day, week or month.; Delete files in my recycle bin if they have been there for over: Choose 1 day, 14 days, 30 days ...The system partition will need extra space for any of the following circumstances: If you install the system over a network. Computers with more than 16 GB of RAM will require more disk space for paging, hibernation, and dump files.Nov 7, 2023 · Download SpaceSniffer for free. Find lost disk space the easy way. SpaceSniffer is a freeware (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks. By using a Treemap visualization layout, you have immediate perception of where big folders and files are placed on your ... Disk space refers to the amount of storage capacity available on a computer’s hard drive or other storage dev