System Administration Guide

Displaying Blocks and Files Used

Use the df command and its options to report the number of free disk blocks and files. For more information, see df(1M).

How to Display Information About Blocks, Files, and Disk Space

Display information about how disk space is used by using the df command.

$ df [directory] [-F fstype] [-g] [-k] [-t]

`df`	With no options, lists all mounted file systems and their device names, the number of total 512-byte blocks used, and the number of files.
`directory`	Directory whose file system you want to check. The device name, blocks used, and number of files are displayed.
`-F` `fstype`	Displays a list of unmounted file systems, their device names, the number of 512-byte blocks used, and the number of files on file systems of type `fstype`.
`-g`	Displays the `statvfs` structure for all mounted file systems.
`-k`	Displays a list of file systems, kilobytes used, free kilobytes, percent capacity used, and mount points.
`-t`	Displays total blocks as well as blocks used for all mounted file systems.

Note -

For remotely mounted file systems, "-1 files"is displayed instead of the number of files.

Examples--Displaying Information About Blocks, Files, and Disk Space

In the following example, the file systems root (/), /usr, /proc, and /tmp are on the local disk. The other file systems are mounted by NFS and do not use local disk resources.

$ df
/               (/dev/dsk/c0t3d0s0 ):   30374 blocks    14002 files
/usr            (/dev/dsk/c0t3d0s6 ):   40714 blocks    80522 files
/proc           (/proc             ):       0 blocks      429 files
/dev/fd         (fd                ):       0 blocks        0 files
/export/home    (/dev/dsk/c0t3d0s7 ):   10712 blocks    10564 files
/export/root    (/dev/dsk/c0t3d0s3 ):   69180 blocks    18812 files
/export/swap    (/dev/dsk/c0t3d0s4 ):   61804 blocks    29563 files
/opt            (/dev/dsk/c0t3d0s5 ):   15722 blocks    13147 files
/tmp            (swap              ):   57104 blocks     5653 files
/usr/local      (mars:/usr/local   ):  435040 blocks       -1 files
$

In the following example, the file system, total Kbytes, used Kbytes, available Kbytes, percent of capacity used, and mount point are displayed.

$ df -k
Filesystem            kbytes    used   avail capacity  Mounted on
/dev/dsk/c0t3d0s0      30991   15812   12089    57%    /
/dev/dsk/c0t3d0s6     185303  164946    1827    99%    /usr
/proc                      0       0       0     0%    /proc
fd                         0       0       0     0%    /dev/fd
/dev/dsk/c0t3d0s7      19095   13739    3456    80%    /export/home
/dev/dsk/c0t3d0s3      34599       9   31140     1%    /export/root
/dev/dsk/c0t3d0s4      55511   24609   25352    50%    /export/swap
/dev/dsk/c0t3d0s5      23063   15202    5561    74%    /opt
swap                   29564     976   28588     4%    /tmp
mars:/usr/local      5353093 5135591  163972    97%    /usr/local
$

The following example shows information about the same system as the previous example, but only UFS file system information is displayed.

$ df -F ufs
/             (/dev/dsk/c0t3d0s0 ):   30358 blocks    14002 files
/usr          (/dev/dsk/c0t3d0s6 ):   40714 blocks    80522 files
/export/home  (/dev/dsk/c0t3d0s7 ):   10712 blocks    10564 files
/export/root  (/dev/dsk/c0t3d0s3 ):   69180 blocks    18812 files
/export/swap  (/dev/dsk/c0t3d0s4 ):   61804 blocks    29563 files
/opt          (/dev/dsk/c0t3d0s5 ):   15722 blocks    13147 files
$

Note -

Although /proc and /tmp are local file systems, they are not UFS file systems (/proc is a PROCFS file system, and /tmp is a TMPFS file system).

The following example shows a list of all mounted file systems, device names, total 512-byte blocks used, and number of files. The second line of each two-line entry displays the total number of blocks and files allocated for the file system.

$ df -t
/             (/dev/dsk/c0t3d0s0 ):    30358 blocks    14002 files
                             total:    61982 blocks    16128 files
/usr          (/dev/dsk/c0t3d0s6 ):    40714 blocks    80522 files
                             total:   370606 blocks    94080 files
/proc         (/proc             ):        0 blocks      429 files
                             total:        0 blocks      492 files
/dev/fd       (fd                ):        0 blocks        0 files
                             total:        0 blocks       26 files
/export/home  (/dev/dsk/c0t3d0s7 ):    10712 blocks    10564 files
                             total:    38190 blocks    10752 files
/export/root  (/dev/dsk/c0t3d0s3 ):    69180 blocks    18812 files
                             total:    69198 blocks    18816 files
/export/swap  (/dev/dsk/c0t3d0s4 ):    61804 blocks    29563 files
                             total:   111022 blocks    29568 files
/opt          (/dev/dsk/c0t3d0s5 ):    15722 blocks    13147 files
                             total:    46126 blocks    13440 files
/tmp          (swap              ):    57144 blocks     5653 files
                             total:    59096 blocks     5768 files
/usr/local    (mars:/usr/local   ):   435008 blocks       -1 files
                             total: 10706186 blocks       -1 files
$