Displaying Information About Files and Disk Space

This table summarizes the commands available for displaying information about file size and disk space.

Command	Description	Man Page
`df`	Reports the number of free disk blocks and files	`df`(1M)
`du`	Summarizes disk space allocated to each subdirectory	`du`(1)
`find` `-size`	Searches recursively through a directory based on the size specified with the `-size` option	`find`(1)
`ls` `-lh`	Lists the size of a file in the power of 1024 scaling	`ls`(1)

How to Display Information About Files and Disk Space

Display information about how disk space is used by using the df command.
```
$ df [directory]  [-h] [-t]
```
df

With no options, lists all mounted file systems and their device names, the number of 512-byte blocks used, and the number of files.

directory

Specifies the directory whose file system you want to check.

-h

Displays disk space in the power of 1024 scaling.

-t

Displays the total blocks as well as the blocks used for all mounted file systems.

Example 8-1 Displaying Information About File Size and Disk Space

In the following example, all the file systems listed are locally mounted except for /usr/dist.

$ df
/                  (/dev/dsk/c0t0d0s0 ):  101294 blocks   105480 files
/devices           (/devices          ):       0 blocks        0 files
/system/contract   (ctfs              ):       0 blocks 2147483578 files
/proc              (proc              ):       0 blocks     1871 files
/etc/mnttab        (mnttab            ):       0 blocks        0 files
/etc/svc/volatile  (swap              ):  992704 blocks    16964 files
/system/object     (objfs             ):       0 blocks 2147483530 files
/usr               (/dev/dsk/c0t0d0s6 ):  503774 blocks   299189 files
/dev/fd            (fd                ):       0 blocks        0 files
/var/run           (swap              ):  992704 blocks    16964 files
/tmp               (swap              ):  992704 blocks    16964 files
/opt               (/dev/dsk/c0t0d0s5 ):   23914 blocks     6947 files
/export/home       (/dev/dsk/c0t0d0s7 ):   16810 blocks     7160 files

Example 8-2 Displaying File Size Information in 1024 Bytes on a System With a ZFS Root File System

In the following example, file system information for a system is displayed in 1024 bytes.

Filesystem             size   used  avail capacity  Mounted on
rpool/ROOT/s1008be      67G   4.6G    58G     8%    /
/devices                 0K     0K     0K     0%    /devices
ctfs                     0K     0K     0K     0%    /system/contract
proc                     0K     0K     0K     0%    /proc
mnttab                   0K     0K     0K     0%    /etc/mnttab
swap                   1.9G   1.5M   1.9G     1%    /etc/svc/volatile
objfs                    0K     0K     0K     0%    /system/object
sharefs                  0K     0K     0K     0%    /etc/dfs/sharetab
/platform/sun4u-us3/lib/libc_psr/libc_psr_hwcap1.so.1
                        63G   4.6G    58G     8% /platform/sun4u-us3/lib/libc_psr.so.1
/platform/sun4u-us3/lib/sparcv9/libc_psr/libc_psr_hwcap1.so.1
                        63G   4.6G    58G     8% /platform/sun4u-us3/lib/sparcv9/libc_psr.so.1
fd                       0K     0K     0K     0%    /dev/fd
rpool/ROOT/s1008be/var
                        67G    73M    58G     1%    /var
swap                   1.9G    32K   1.9G     1%    /tmp
swap                   1.9G    40K   1.9G     1%    /var/run
rpool/export            67G    20K    58G     1%    /export
rpool/export/home       67G    18K    58G     1%    /export/home

Example 8-3 Displaying Total Number of Blocks and Files Allocated for a File System

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

$ df -t
/                  (/dev/dsk/c0t0d0s0 ):   101294 blocks   105480 files
                                  total:   509932 blocks   129024 files
/devices           (/devices          ):        0 blocks        0 files
                                  total:        0 blocks      113 files
/system/contract   (ctfs              ):        0 blocks 2147483578 files
                                  total:        0 blocks       69 files
/proc              (proc              ):        0 blocks     1871 files
                                  total:        0 blocks     1916 files
/etc/mnttab        (mnttab            ):        0 blocks        0 files
                                  total:        0 blocks        1 files
/etc/svc/volatile  (swap              ):   992608 blocks    16964 files
                                  total:   993360 blocks    17025 files
/system/object     (objfs             ):        0 blocks 2147483530 files
                                  total:        0 blocks      117 files
/usr               (/dev/dsk/c0t0d0s6 ):   503774 blocks   299189 files
                                  total:  6650604 blocks   420480 files
/dev/fd            (fd                ):        0 blocks        0 files
                                  total:        0 blocks       31 files
/var/run           (swap              ):   992608 blocks    16964 files
                                  total:   992688 blocks    17025 files
/tmp               (swap              ):   992608 blocks    16964 files
                                  total:   992688 blocks    17025 files
/opt               (/dev/dsk/c0t0d0s5 ):    23914 blocks     6947 files
                                  total:    27404 blocks     7168 files
/export/home       (/dev/dsk/c0t0d0s7 ):    16810 blocks     7160 files
                                  total:    18900 blocks     7168 files

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	Oracle Solaris 11.1 Administration: Devices and File Systems Oracle Solaris 11.1 Information Library