Linux df Commands stand for “disk filesystem“, it is used to get full summary of available and used disk space usage of file system on Linux system.
df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/xda1 414744552 275094172 118575900 70% /
/dev/xda2 1507332924 52630156 1378111616 4% /Home
tmpfs 257476 0 257476 0% /run/user/0
df -h
Filesystem Size Used Avail Use% Mounted on
/dev/xda1 396G 263G 114G 70% /
/dev/xda2 1.5T 51G 1.3T 4% /Home
tmpfs 3.2G 0 3.2G 0% /run/user/0
df -hT /home
Filesystem Type Size Used Avail Use% Mounted on
/dev/xda2 ext4 1.5T 51G 1.3T 4% /home
To display all file system information and usage in 1024-byte blocks, use the df command option ‘-k‘ :
df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/xda1 414744552 275097656 118572416 70% /
/dev/xda2 1507332924 52630360 1378111412 4% /home
tmpfs 3283876 0 3283876 0% /run/user/0
df -m
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/xda1 405024 268646 115799 70% /
/dev/xda2 1472005 51401 1345809 4% /home
tmpfs 3207 0 3207 0% /run/user/0
df -h
Filesystem Size Used Avail Use% Mounted on
/dev/xda1 396G 263G 114G 70% /
/dev/xda2 1.5T 51G 1.3T 4% /home
tmpfs 3.2G 0 3.2G 0% /run/user/0
df -T
Filesystem Type 1K-blocks Used Available Use% Mounted on
/dev/xda1 ext3 414744552 275092992 118577080 70% /
/dev/xda2 ext4 1507332924 52634268 1378107504 4% /home
tmpfs tmpfs 3283876 0 3283876 0% /run/user/0
‘–-help‘ switch will display a list of available option that are used with df command.
df –help
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