linux--df_lianxianmg74-优快云博客

本文详细介绍了Linux下df命令的使用方法及各个选项的功能。包括如何查看文件系统的大小、已用空间、可用空间等信息，并展示了不同参数如-human-readable、-a、-k、-m和-T的作用效果。

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df --help

df -h==>human-readable print sizes in human readable format(e.g.. 1k 234M 2G)

df -H==>human-readable print sizes in human readable format(e.g..1k 234M 2G), likewise, but use powers of 1000 not 1024

df -a==>include dummy files systems

df -k==>like --block-size=1K

df -m=>like --block-size=1M

df -T==>print file system type

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Filesystem            Size Used Avail Use% Mounted on
/dev/sda8              13G 8.8G 3.2G 74% /
tmpfs                 244M 400K 244M   1% /dev/shm

[lianxiang@localhost ~]$ df -H
Filesystem             Size   Used Avail Use% Mounted on
/dev/sda8               14G   9.4G   3.4G 74% /
tmpfs                  256M   410k   256M   1% /dev/shm

[lianxiang@localhost ~]$ df -a
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda8             13103024   9161736   3275688 74% /
proc                         0         0         0   - /proc
sysfs                        0         0         0   - /sys
devpts                       0         0         0   - /dev/pts
tmpfs                   249612       400    249212   1% /dev/shm
none                         0         0         0   - /proc/sys/fs/binfmt_misc
capifs                       0         0         0   - /dev/capi
sunrpc                       0         0         0   - /var/lib/nfs/rpc_pipefs
fusectl                      0         0         0   - /sys/fs/fuse/connections
gvfs-fuse-daemon             0         0         0   - /home/lianxiang/.gvfs

[lianxiang@localhost ~]$ df -k
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda8             13103024   9161736   3275688 74% /
tmpfs                   249612       400    249212   1% /dev/shm

[lianxiang@localhost ~]$ df -T
Filesystem    Type   1K-blocks      Used Available Use% Mounted on
/dev/sda8     ext4    13103024   9161736   3275688 74% /
tmpfs        tmpfs      249612       400    249212   1% /dev/shm

[lianxiang@localhost ~]$ df -ahT
Filesystem    Type    Size Used Avail Use% Mounted on
/dev/sda8     ext4     13G 8.8G 3.2G 74% /
proc          proc       0     0     0   - /proc
sysfs        sysfs       0     0     0   - /sys
devpts      devpts       0     0     0   - /dev/pts
tmpfs        tmpfs    244M 400K 244M   1% /dev/shm
none   binfmt_misc       0     0     0   - /proc/sys/fs/binfmt_misc
capifs      capifs       0     0     0   - /dev/capi
sunrpc rpc_pipefs       0     0     0   - /var/lib/nfs/rpc_pipefs
fusectl    fusectl       0     0     0   - /sys/fs/fuse/connections
gvfs-fuse-daemon
fuse.gvfs-fuse-daemon       0     0     0   - /home/lianxiang/.gvfs