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#!/bin/bash
# Will tarify all folders/files in a directory and create
# a separate tar file for each

for f in */; do tar -cvf "${f%/}.tar" "$f"; done

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# Kill Ghost sshd sessions
pkill -o -u YOURUSERNAME sshd

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#OS X
security find-generic-password -ga <SSID> | grep password

# Windows
netsh wlan show profile name=<SSID> key=clear

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OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

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# Create ~/.inputrc file and paste 
# this in it
"\e[A": history-search-backward
"\e[B": history-search-forward

# Example:
# cd+UP : will return all previous cd commands
# and paramters