Configuring Your Unix Environment

Know which shell you are using

Shell		Configuration files in your home directory
Shell configuration files:
`tcsh` (Mac OS X default)		`.tcshrc`
`bash`		`.bash_profile` and`.bashrc`

Common Environment Variables:
Variable Name		Used For
PATH		List of directories the shell searches for commands.
MANPATH		List of directories yor shell will search for `man` pages.
SHELL		The full path of the current shell program.
HOME		Full path of your home directory.
USER		The short username (login name) of the user who owns the process.

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