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Get OSX Battery percentage
adjusting the field "f1" will give you additional information such as f1 = 98% f2 = discharging f3 = 2:02 remaining

C function manual

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Get rid from a blank display without reboot
Killall5 will kill your session and redirect to login screen. -Very useful when suffering display problems. -Can use F1-F6 -Need to login in the particular console if not already

grep processes list avoiding the grep itself
Trick to avoid the form: grep process | grep - v grep

Find partition name using mount point
lsblk | grep mountpoint

back ssh from firewalled hosts
host B (you) redirects a modem port (62220) to his local ssh. host A is a remote machine (the ones that issues the ssh cmd). once connected port 5497 is in listening mode on host B. host B just do a ssh 127.0.0.1 -p 5497 -l user and reaches the remote host'ssh. This can be used also for vnc and so on.

vim as a pager - similar to less command but with color
use vim like less command pager but with color highlighting = pretty :p also u can use /usr/share/vim/vim73/macros/less.sh

Play radio stream with mplayer
Above command will play Virgin Radio Dubai

import gpg key from the web
imports a public key from the web. I know this by head.. but useful nevertheless


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