linux 磁盘管理基本命令

1. df命令

df命令例子：

    [root@livedvd ~]# df -h
    Filesystem           Size  Used Avail Use% Mounted on
    /dev/mapper/live-rw  5.4G  4.8G  617M  89% /
    tmpfs                499M  228K  498M   1% /dev/shm
    /dev/sr0             1.8G  1.8G     0 100% /mnt/live
    varcacheyum          499M     0  499M   0% /var/cache/yum
    /tmp                 499M   12K  499M   1% /tmp
    vartmp               499M     0  499M   0% /var/tmp


    [root@livedvd ~]# df -a
    Filesystem          1K-blocks    Used Available Use% Mounted on
    /dev/mapper/live-rw   5644224 4956028    630860  89% /
    proc                        0       0         0    - /proc
    sysfs                       0       0         0    - /sys
    devpts                      0       0         0    - /dev/pts
    tmpfs                  510172     228    509944   1% /dev/shm
    none                        0       0         0    - /proc/sys/fs/binfmt_misc
    /dev/sr0              1829954 1829954         0 100% /mnt/live
    varcacheyum            510172       0    510172   0% /var/cache/yum
    /tmp                   510172      12    510160   1% /tmp
    vartmp                 510172       0    510172   0% /var/tmp

1. du命令

   

   du命令例子：

      统计home文件夹的大小
       [root@livedvd /]# du -s home/
       1180    home/
   
     统计home文件夹的大小  已MB单位进行统计
          [root@livedvd /]# du -sm /home/
           2       /home/