Shell's Command

I still learn about linux. This some of command that I know in linux's shell.
ls - listing
cd - change directory
mkdir - make directory
rmdir - remove directory
chmod - change permission mode TypeOfFile-owner-groups-others (ex: drwxr_xr_x)
chfn - change finger
usermod - change or add user attribute, for example: group
chown - change owner of file or directory
lspci - listing pci on pc
lsmod - listing module
ln - make link to a file or folder
cp - copy
mv - move or rename file
cat - concatenate files and print on the standard output
less - opposite of more
more - file perusal filter for crt viewing
grep
find
arp
ifconfig
iptables
ipchain
vmstat
etc...

So many syntax, Maybe u can find the rest. :)
You can see the manual by type "man <command>" or only need help just type "<command> -h" or "<command> --help ".

If u have question, u could ask by comment. I'll answer it if i could. So, we could learn together.
:D