The df command (short for disk free) is used to show the amount of free disk space available on Linux and other Unix-like systems and to understand the filesystems that have been mounted. df displays the amount of free space on the file system containing each file name argument.
What does df do in Ubuntu?
df displays the amount of disk space available on the file system containing each file name argument. If no file name is given, the space available on all currently mounted file systems is shown.
What does the df command do?
Use the df command to display information about total space and available space on a file system. … If a file or directory is specified, then the df command displays information for the file system on which it resides. Normally, the df command uses free counts contained in the superblock.
What does df H mean in Linux?
However, Linux has a strong built-in utility called ‘df’. … Using ‘ -h ‘ parameter with (df -h) will show the file system disk space statistics in “human-readable” format, means it gives the details in bytes, megabytes, and gigabyte.
What is file system in df command?
Linux df command is used to display the disk space used in the file system. The ‘df’ stands for “disk filesystem.” It defines the number of blocks used, the number of blocks available, and the directory where the file system is mounted.
What is df with example?
The df command (short for disk free), is used to display information related to file systems about total space and available space. If no file name is given, it displays the space available on all currently mounted file systems.
How does Linux df work?
The df command is used to show the amount of disk space that is free on file systems. In the examples, df is first called with no arguments. This default action is to display used and free file space in blocks. In this particular case, th block size is 1024 bytes as is indicated in the output.
What is df programming?
DF. Dedicated File. Technology, Card, Command.
How do I check disk space on Linux?
Linux check disk space with df command
- Open the terminal and type the following command to check disk space.
- The basic syntax for df is: df [options] [devices] Type:
- df.
- df -H.
How do I check memory on Linux?
Linux
- Open the command line.
- Type the following command: grep MemTotal /proc/meminfo.
- You should see something similar to the following as output: MemTotal: 4194304 kB.
- This is your total available memory.
How do I see 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.