Df manual linux

df is installed only on systems that have usable mount tables, so portable scripts should not rely on its existence. An exit status of zero indicates success, and a nonzero value indicates failure. Failure includes the case where no output is generated, so you can inspect the exit status of a command like ‘ df -t ext3 -t reiserfs dir ’ to test whether dir is on a file system of type ‘ ext3 ’ or ‘ reiserfs ’.  · Description. 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. Disk space is shown in 1 K blocks by default, unless the environment variable POSIXLY_CORRECT is set, in which case byte blocks are used. df [-k] [-P|-t] [file ] DESCRIPTION top The df utility shall write the amount of available space and file slots for file systems on which the invoking user has appropriate read access. File systems shall be specified by the file operands; when none are specified, information shall be written for all file systems. The format of the default output from df is unspecified, but all space figures are reported in byte .

df (1p) - Linux Man Pages PROLOG. This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ NAME. SYNOPSIS. DESCRIPTION. The df utility shall write the amount of available space and file slots for file systems on which the OPTIONS. The. Description. This manual page documents the GNU version of df. 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. Disk space is shown in 1K blocks by default, unless the environment variable POSIXLY_CORRECT is set, in which case byte blocks are used. Options for df command: a, –all: includes pseudo, duplicate and inaccessible file systems. -B, –block-size=SIZE: scales sizes by SIZE before printing them. -h, –human-readable: print sizes in power of -H, –si: print sizes in power of -i, –inodes: list inode information instead of block usage.

For a complete list of available command-line options, see the df(1) manual page. Using the findmnt Command · Using the du Command. DF(1) User Commands DF(1) NAME df - report file system disk space usage SYNOPSIS df [OPTION] [FILE] DESCRIPTION This manual page documents the GNU. 16 The df command is a command line utility for reporting file system disk space usage. It can be used to show the free space on a Unix or Linux.