Du (Unix)
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du (abbreviated from disk usage) is a Unix computer program to display the amount of disk space used under a particular directory or files on a file system.
du counts the disk space by walking the directory tree. As such, the amount of space on a file system shown by du may vary from that shown by df if files have been deleted but their blocks not yet freed.
In Linux, it is a part of the GNU Coreutils package.
The du utility first appeared in version 1 of AT&T UNIX.
Example
The -k flag will show the sizes in 1K blocks, rather than the default of 512 byte blocks.
$du -k /seclog 4 /seclog/lost+found 132 /seclog/backup/aix7 136 /seclog/backup 44044 /seclog/temp 439264 /seclog
See also
External links
- [du manual] from the GNU coreutils
- [du man page] via OpenBSD
- [Disk space-related utilities at Freshmeat.net]
| Unix command line programs ( ) | |||
| File and file system management: | cat | chdir/cd | chmod | chown | chgrp | cp | du | df | fdupes | file | fsck | ln | ls | lsof | mkdir | more | mount | mv | pwd | rcp | rm | rmdir | split | touch | tree | ||
| Process management: | anacron | at | chroot | cron/crontab | kill | nice | ps | sleep | time | timex | top | renice | wait | ||
| User Management/Environment: | env | finger | id | locale | mesg | passwd | su | sudo | uname | uptime | w | who | write | ||
| Text processing: | awk | cut | diff | ex | head | iconv | join | less | more | nkf | paste | sed | sort | tail | tr | uniq | wc | xargs | ||
| Shell programming: | echo | expr | unset | Printing: | lp |
| Communications: inetd | netstat | ping | rlogin | traceroute | Searching: egrep | fgrep | find | grep | strings | Miscellaneous: banner | bc | cal | man | uname | wall | yes | |
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