df的使用

[root@Carlton scripts]# df -i    #查看inode信息Filesystem      Inodes IUsed   IFree IUse% Mounted on/dev/vda1      2621440 89215 2532225    4% /tmpfs           127498    23  127475    1% /dev/shm/dev/vdb1        25792    11   25781    1% /mnt[root@Carlton scripts]# df -h   #单位为M的显示各个区的大小Filesystem      Size  Used Avail Use% Mounted on/dev/vda1        40G  2.8G   35G   8% /tmpfs           499M   12M  487M   3% /dev/shm/dev/vdb1        94M  1.6M   87M   2% /mnt[root@Carlton scripts]# df -k Filesystem     1K-blocks    Used Available Use% Mounted on/dev/vda1       41152832 2887012  36168720   8% /tmpfs             509992   11388    498604   3% /dev/shm/dev/vdb1          95425    1550     88736   2% /mnt[root@Carlton scripts]# df -mFilesystem     1M-blocks  Used Available Use% Mounted on/dev/vda1          40189  2820     35322   8% /tmpfs                499    12       487   3% /dev/shm/dev/vdb1             94     2        87   2% /mnt

如何快速找到一个分区占用的大文件

[root@Carlton /]# du -sm *7       bin53      boot1       dev1       download33      etc137     home1       index.html292     lib27      lib641       lost+found1       media1       mnt1       opt

另一种显示方法

[root@Carlton /]# du -sh *   # s 是全部显示的意思， h 即单位6.7M    bin53M     boot428K    dev4.0K    download33M     etc139M    home24K     index.html292M    lib27M     lib6416K     lost+found4.0K    media13K     mnt4.0K    opt

如果想详细了解，man 帮助