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What is FileSystem in df command?
Use the df command to display information about total space and available space on a file system. The FileSystem parameter specifies the name of the device on which the file system resides, the directory on which the file system is mounted, or the relative path name of a file system.
What does df mean in Unix?
disk free
df (abbreviation for disk free) is a standard Unix command used to display the amount of available disk space for file systems on which the invoking user has appropriate read access. df is typically implemented using the statfs or statvfs system calls.
What is df in shell script?
The df command (short for disk free), is used to display information related to file systems about total space and available space. Syntax : df [OPTION]… [ FILE]… If no file name is given, it displays the space available on all currently mounted file systems.
What is the command df used for?
What is the command to check disk space in Unix?
Check disk space on Unix operating system Unix command to check disk space: df command – Shows the amount of disk space used and available on Unix file systems. du command – Display disk usage statistic for each directory on Unix server.
What is df in at test?
The degrees of freedom (DF) are the amount of information your data provide that you can “spend” to estimate the values of unknown population parameters, and calculate the variability of these estimates. This value is determined by the number of observations in your sample.
What is the use of DF in Unix?
df (abbreviation for disk free) is a standard Unix command used to display the amount of available disk space for file systems on which the invoking user has appropriate read access. df is typically implemented using the statfs or statvfs system calls.
What do the numbers mean in the df command?
“IFree” – The number of free (unused) inodes. “IUse%” – The percentage of used inodes. “Mounted on” the directory on which the filesystem is mounted. The df command also allows you to customize the output format.
How does the df command show disk space?
Show Disk Space Usage in Human Readable Format By default, the df command shows the disk space in 1-kilobyte blocks and the size of used and available disk space in kilobytes. To display information about disk drives in human-readable format (kilobytes, megabytes, gigabytes and so on), invoke the df command with the -h option:
How to customize the output of the df command?
The df command also allows you to customize the output format. To specify the fields you want to be shown in the command output, use the –output [=FIELD_LIST] option. FIELD_LIST is a comma-separated list of columns to be included in the output. Each field can be used only once.