Quick Answer: How To Check Total Disk Space In Linux?

Linux command to check disk space

  • df command – Shows the amount of disk space used and available on Linux file systems.
  • du command – Display the amount of disk space used by the specified files and for each subdirectory.
  • btrfs fi df /device/ – Show disk space usage information for a btrfs based mount point/file system.

How do I check disk space on Ubuntu?

To check the free disk space and disk capacity with System Monitor:

  1. Open the System Monitor application from the Activities overview.
  2. Select the File Systems tab to view the system’s partitions and disk space usage. The information is displayed according to Total, Free, Available and Used.

How do I check my disk space?

Method 1 On Windows

  • Open Start. .
  • Open Settings. .
  • Click System. It’s a computer-shaped icon on the Settings page.
  • Click the Storage tab. This option is in the upper-left side of the Display page.
  • Review your hard drive’s space usage.
  • Open your hard disk.

How do I monitor memory in Linux?

5 commands to check memory usage on Linux

  1. free command. The free command is the most simple and easy to use command to check memory usage on linux.
  2. /proc/meminfo. The next way to check memory usage is to read the /proc/meminfo file.
  3. vmstat. The vmstat command with the s option, lays out the memory usage statistics much like the proc command.
  4. top command.
  5. htop.

How much disk space do I have?

At the desktop, click on the Start button or icon. It will open a drop down menu; select “Computer” or “My Computer” from the list. You’ll find your hard drive listed as “Local Disk (C:)” or “Windows (C:).” Click on the hard disk drive to find the amount of free and used space at the bottom of the window.

How do I free up disk space on Linux?

Freeing disk space on your Linux server

  • Get to the root of your machine by running cd /
  • Run sudo du -h –max-depth=1.
  • Note which directories are using a lot of disk space.
  • cd into one of the big directories.
  • Run ls -l to see which files are using a lot of space. Delete any you don’t need.
  • Repeat steps 2 to 5.
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How do I delete unnecessary files in Ubuntu?

The 10 Easiest Ways to Keep Ubuntu System Clean

  1. Uninstall Unnecessary Applications.
  2. Remove Unnecessary Packages and Dependencies.
  3. Clean Thumbnail Cache.
  4. Remove Old Kernels.
  5. Remove Useless Files and Folders.
  6. Clean Apt Cache.
  7. Synaptic Package Manager.
  8. GtkOrphan (orphaned packages)

How do I free up disk space?

3. Free up space deleting temp files using Disk Cleanup

  • Open Start.
  • Search for Disk Cleanup and select the top result to open the experience.
  • Use the “Drives” drop-down menu and select the (C:) drive.
  • Click the OK button.
  • Click the Cleanup system files button.
  • Use the “Drives” drop-down menu and select the (C:) drive.

How do I check my SSD storage?


  1. Press ⊞ Win + S . This opens the Windows Search bar.
  2. Type optimize . A list of matching results will appear.
  3. Click Defragment and Optimize Drives. It’s should be the first search result.
  4. Find your drive type under “Media Type.” If you have more than one drive in the computer, they’ll each be listed separately.

How do you check how many cpus are there in Linux?

You can use one of the following methods to determine the number of physical CPU cores.

  • Count the number of unique core ids (roughly equivalent to grep -P ‘^core id\t’ /proc/cpuinfo. |
  • Multiply the number of ‘cores per socket’ by the number of sockets.
  • Count the number of unique logical CPU’s as used by the Linux kernel.

How do I check memory processes in Linux?

Checking Memory Usage Using ps Command:

  1. You can use the ps command to check memory usage of all the processes on Linux.
  2. You can check memory of a process or a set of processes in human readable format (in KB or kilobytes) with pmap command.
  3. Let’s say, you want to check how much memory the process with PID 917 is using.

How do I free up RAM on Linux?

How to Clear RAM Memory Cache, Buffer and Swap Space on Linux

  • Clear PageCache only. # sync; echo 1 > /proc/sys/vm/drop_caches.
  • Clear dentries and inodes. # sync; echo 2 > /proc/sys/vm/drop_caches.
  • Clear PageCache, dentries and inodes. # sync; echo 3 > /proc/sys/vm/drop_caches.
  • sync will flush the file system buffer. Command Separated by “;” run sequentially.

How do I check available RAM?

From the desktop or Start menu, right-click on Computer and select Properties. In the System Properties window, the system will list “Installed memory (RAM)” with the total amount detected. For example, in the picture below, there is 4 GB of memory installed in the computer.

How do I check how much disk space I have in Linux?

Linux command to check disk space

  1. df command – Shows the amount of disk space used and available on Linux file systems.
  2. du command – Display the amount of disk space used by the specified files and for each subdirectory.
  3. btrfs fi df /device/ – Show disk space usage information for a btrfs based mount point/file system.
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How much storage is 128gb?

A good quality .aac or even a .mp3 file at least consume 10MB of space and storing at least a few hundred albums does require some considerable storage space. Therefore, at least 128GB of internal storage is required to keep some space spare for system files and other kinds of files.

How big of an SSD do I need for gaming?

These are the best SSDs for gaming PCs right now, from budget SATA picks to larger, quicker SSDs.

  • Samsung 860 Evo 1TB. The best SSD for gaming, balancing price and performance.
  • WD Black SN750.
  • Crucial MX500 1TB.
  • Samsung 860 Pro 1TB.
  • WD Blue 2TB.
  • Samsung 860 Evo 4TB.
  • Mushkin Reactor 960GB.
  • Mushkin Enhanced Source 500GB.

How much space does Ubuntu take?

According to installation procedure 4.5 GB approximately for Desktop Edition . It varies for Server edition and net-install . Please refer this System Requirements for more info. Note : On a fresh install of Ubuntu 12.04 – 64 bits without any Graphic or Wifi drivers took approximately 3~ GB of File system space.

Can I delete var cache?

Unlike /var/spool , the cached files can be deleted without data loss. Files located under /var/cache may be expired in an application specific manner, by the system administrator, or both.

How do I free up memory in Ubuntu?

In order to view the memory usage, we are using the Ubuntu command line, the Terminal application. You can open the Terminal either through the system Dash or the Ctrl+alt+T shortcut.

5 Ways to Check Available Memory in Ubuntu

  1. The free command.
  2. The vmstat command.
  3. The /proc/meminfo command.
  4. The top command.
  5. The htop command.

How do I clean up Linux?

Whenever you need more space — and heck, even if you don’t — here are 5 simple ways to free up disk space on Ubuntu.

  • Clean the APT Cache (And Do It Regularly)
  • Remove Old Kernels (If No Longer Required)
  • Uninstall Apps & Games You Never Use (And Be Honest!)
  • Use A System Cleaner like BleachBit.

How do I remove unused packages in Linux?

If you don’t need any package, just riht click on it and click “Select for removal” option. Alternatively, run the following command to remove the unused/orphaned packages all at once.

What is the fastest Linux operating system?

Best Lightweight Linux distros for old laptops and desktops

  1. SparkyLinux.
  2. antiX Linux.
  3. Bodhi Linux.
  4. CrunchBang++
  5. LXLE.
  6. Linux Lite.
  7. Lubuntu. Next on our list of best lightweight Linux distributions is Lubuntu.
  8. Peppermint. Peppermint is a cloud-focused Linux distribution that doesn’t need high-end hardware.

How do I check my SSD memory?

Simply press the Windows key + R keyboard shortcut to open the Run box, type dfrgui and press Enter. When the Disk Defragmenter window is shown, look for the Media type column and you can find out which drive is solid state drive (SSD), and which one is hard disk drive (HDD).

Do I have an SSD?

Windows Drive Optimizer (formerly called Disk Defragmenter) reports whether a drive is HDD or SSD. You can access this utility by pressing the Windows key, searching for optimize, and selecting Defragment and optimize your drives. This will generally work in any system where the disks are not plugged into a RAID card.

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Should I defrag SSD?

Windows Does Defragment SSDs, But It’s Okay. You’ve likely heard before that you should never defragment your SSD. Conventional wisdom says not only do solid state drives not need defragging, doing so would cause unnecessary writes to the drive. In fact, Windows does sometimes defragment SSDs—on purpose.

How many CPUs do I have?

Find out how many cores your processor has. Press Ctrl + Shift + Esc to open Task Manager. Select the Performance tab to see how many cores and logical processors your PC has.

How do I see CPU usage on Linux?

14 Command Line Tools to Check CPU Usage in Linux

  • 1) Top. The top command displays real time view of performance related data of all running processes in a system.
  • 2) Iostat.
  • 3) Vmstat.
  • 4) Mpstat.
  • 5) Sar.
  • 6) CoreFreq.
  • 7) Htop.
  • 8) Nmon.

How do I check physical memory on Linux?

4 ways to check size of physical memory (RAM) in Linux

  1. Using free command. First command is free.
  2. Using /proc/meminfo file. Another way is to read memory info from proc filesystem.
  3. Using top command. Famous top command also lists physical memory information in very clear way.
  4. Using vmstat. Another way is to use vmstat (virtual memory stats) command with -s switch.

How do I find maximum RAM capacity?

Look for the maximum amount of RAM or System Memory that can be installed. You will also see the number of available slots on your motherboard. RAM needs to be installed in pairs. If your motherboard supports 16 GB of RAM and has four slots, you can install four 4 GB sticks or two 8 GB sticks to reach your maximum.

How do you free up RAM?

To get started, open the Task Manager by searching for it in the Start Menu, or use the Ctrl + Shift + Esc shortcut. Click More details to expand to the full utility if needed. Then on the Processes tab, click the Memory header to sort from most to least RAM usage.

How do I check my graphics card memory?

If your system has a dedicated graphic card installed, and you want to find out how much Graphics Card memory your computer has, open Control Panel > Display > Screen Resolution. Click on Advanced Setting. Under the Adapter tab, you will find the Total Available Graphics Memory as well as the Dedicated Video memory.

Photo in the article by “Wikimedia Commons” https://commons.wikimedia.org/wiki/File:AppleIIeSerialTerminal.jpg

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