Coding for UNIX -bash.
Copy your files to ~/bin if you're running Mac OSX or a Linux Distribution.
pdf [-function] [file_name]
Available functions are -open (open the file), -prev (preview the file) and -cp (copy the file to another directory).
javim [file_name]
Improved java compiler, compile and execute your code with just a command.
changedns [interface] [option]
Script to quickly change the DNS servers of a Linux or OSX machine.