linux check folder available space code example

Example 1: check folder sizes linux

du -h --max-depth=1

Example 2: how to look the usb free space in linux command line

[root@tecmint ~]# df -T

Filesystem		Type   1K-blocks  Used      Available Use% Mounted on
/dev/cciss/c0d0p2	ext3    78361192  23188812  51127616  32%   /
/dev/cciss/c0d0p5	ext3    24797380  22273432  1243972   95%   /home
/dev/cciss/c0d0p3	ext3    29753588  25503792  2713984   91%   /data
/dev/cciss/c0d0p1	ext3    295561     21531    258770    8%    /boot
tmpfs			tmpfs   257476         0    257476    0%   /dev/shm