我使用过的Linux命令之du查看文件的c盘空间占用情况本文链接:(转载请标明出处)用途说明du命令是拿来查看c盘空间占用情况的linux查看文件占用空间,在Linux系统维护经常会用到,而且一般与df令搭配使用。首先使用df看一下各个c盘分区的占用情况,若果某个分区的占用超过一定比率(例如80%)linux获取当前时间,就觉得该分区应当清除一下了。假如不太确定从那里下手清除,就可以使用du来统计一下各个目录的c盘占用情况,找到c盘占用大的目录。通常情况下,程序日志占用的空间会比较多,Web上传形成的临时文件linux游戏,导入数据时生成的数据文件,还有就是数据库也会随着时间而不断下降。常用参数显示的数目更好看些linux查看文件占用空间,例如用K/M/G表示大小。--max-depth=N统计的目录深度。当N=0时等同于-s,所以和--s参数不能同时出现。显示为K字节数。显示为兆字节数。使用示例示例一查看/var的c盘使用情况[root@jfhtdf文件系统1K-块已用可用已用%挂载点/dev/mapper/VolGroup00-LogVol2561043%/dev/cciss/c0d0p84515044%/boottmpfs2920%/dev/shm[root@jfhtdf/var文件系统1K-块已用可用已用%挂载点/dev/mapper/VolGroup00-LogVol2561003%du/var/var/spool/at/spool24/var/spool/at16/var/spool/cron/var/spool/cups/tmp16/var/spool/cups52004/var/spool/mail32/var/spool/anacron52140/var/spool/var/yp/binding24/var/yp/var/db/nscd28/var/db16/var/empty/sshd/etc24/var/empty/sshd32/var/empty/var/ftp/pub16/var/ftp/var/gdm8884/var/log/sa12/var/log/pm/var/log/conman36/var/log/prelink15880/var/log/audit/var/log/samba20/var/log/setroubleshoot20/var/log/cups16/var/log/mail744404/var/log/var/lock/dmraid176/var/lock/subsys204/var/lock/var/run/ppp12/var/run/dbus12/var/run/setrans20/var/run/avahi-daemon12/var/run/screen/S-root20/var/run/screen12/var/run/setroubleshoot16/var/run/cups/certs28/var/run/cups/var/run/console492/var/run/var/cache/alchemist332/var/cache/fontconfig/var/cache/man/X11R6/cat788/var/cache/man/X11R6/var/cache/man/local/cat788/var/cache/man/local/var/cache/man/cat7820/var/cache/man/var/cache/samba/winbindd_privileged16/var/cache/samba/var/cache/cups1224/var/cache/var/lib/stateless/writable16/var/lib/stateless