Intro to UNIX

Filenames

filename, pathname	indicates where file can be found
absolute pathname	indicates path starting from root directory
relative pathname	indicates path starting from current directory

Special absolute pathnames:

~username expands to absolute pathname of user's home directory

~ expands to absolute pathname of own home directory
Special relative pathnames:

. current directory

.. parent directory

Filename Generation (Wildcards)

`*`	any string (zero or more characters)
`?`	any one character
`[...]`	any one of the enclosed range

Examples

ls .bash_al*
ls cs[12]..presentations
ls -l [A-GM]*
ls -l .??*

Alyce Brady, Kalamazoo College