1.16.13

ping (sending packets to other computers)

traceroute (find server location)

nslookup (name service lookup)

ssh (secure shell)

shutdown -r now (shutdown (restart) now)

sudo (super user do)

su (super user)

ps

fsck -yf (directory repair)

netmask

ip address

TCP/IP

DNS

HW address

firewalls

stealth mode

SSID (

RSSI

man (manual)

ctrl-c, ctrl-z

exit

ls

kill