here how, just so I wont forget it, need to post it here.
the command echo {a..z} will result on
# echo {a..z}
a b c d e f g h i j k l m n o p q r s t u v w x y z
so creating under /home
mkdir /home/{a..z}
will result on, when doing ls -l /home
drwxr-xr-x 2 root root 4096 Oct 12 17:32 a
drwxr-xr-x 2 root root 4096 Oct 12 17:37 b
drwxr-xr-x 2 root root 4096 Oct 12 17:37 c
drwxr-xr-x 2 root root 4096 Oct 12 17:37 d
drwxr-xr-x 2 root root 4096 Oct 12 17:37 e
drwxr-xr-x 2 root root 4096 Oct 12 17:37 f
drwxr-xr-x 2 root root 4096 Oct 12 17:37 g
drwxr-xr-x 2 root root 4096 Oct 12 17:37 h
drwxr-xr-x 2 root root 4096 Oct 12 17:37 i
drwxr-xr-x 2 root root 4096 Oct 12 17:37 j
drwxr-xr-x 2 root root 4096 Oct 12 17:37 k
drwxr-xr-x 2 root root 4096 Oct 12 17:37 l
drwxr-xr-x 2 root root 4096 Oct 12 17:37 m
drwxr-xr-x 2 root root 4096 Oct 12 17:37 n
drwxr-xr-x 2 root root 4096 Oct 12 17:37 o
drwxr-xr-x 2 root root 4096 Oct 12 17:37 p
drwxr-xr-x 2 root root 4096 Oct 12 17:37 q
drwxr-xr-x 2 root root 4096 Oct 12 17:37 r
drwxr-xr-x 2 root root 4096 Oct 12 17:37 s
drwxr-xr-x 2 root root 4096 Oct 12 17:37 t
drwxr-xr-x 2 root root 4096 Oct 12 17:37 u
drwxr-xr-x 2 root root 4096 Oct 12 17:37 v
drwxr-xr-x 2 root root 4096 Oct 12 17:37 w
drwxr-xr-x 2 root root 4096 Oct 12 17:37 x
drwxr-xr-x 2 root root 4096 Oct 12 17:37 y
drwxr-xr-x 2 root root 4096 Oct 12 17:37 z
just as what I need to do.
