A few things from an original debian .bashrc file plus a lot of own modifications. Lots of aliases and terminal control sequences. Also many custom functions, some highlights are:

extract( )
automatically detects correct archive type and extracts the files

mktar( ), mktgz( ), mktbz( ) and mkzip( )
Creates an archive from a given directory

up( ) and back( )
Lets you easily navigate through directorys with and up N and back command

ii( ) and myip( )
Displays host related information

encrypt( ) and decrypt( )
Encrypts and decrypts a given file or directory with gpg.

argc( )
Tests automatically when you open a file if it should be opened normally, or as root and asks you for permission.

Have fun! :-)