File/Disk Browsing
Lists summary size (-s) in Gb/Mb/Kb (-h) units for all sub-directories of the current path (./*)
Show everything, human readable file sizes, in a list
Pipes
Use the | after the first command to pipe the output to the next command e.g. Show all processes with the string apache in the command
Screen
Is a pretty handy tool if you do much work via an SSH terminal
Launch app
List screens running
Reattach a single screen
TCP/IP
Lists summary size (-s) in Gb/Mb/Kb (-h) units for all sub-directories of the current path (./*)
# du -sh ./*
Show everything, human readable file sizes, in a list
# ls -lah
Pipes
Use the | after the first command to pipe the output to the next command e.g. Show all processes with the string apache in the command
#ps | grep apache
Screen
Is a pretty handy tool if you do much work via an SSH terminal
Launch app
# screenDetach current screen
Ctrl-a d
List screens running
# screen -ls
Reattach a single screen
# screen -R
TCP/IP
# ifconfig
# sudo iwlist wlan0 scan