Features that no longer work on Cygwin include the getopts shell command and the branching commands in sed. So if you're a Unix person who uses Windows for convenience, consider using actual ...

The shell searches the filestore for the file containing the program rm, and then requests the kernel, through system calls, to execute the program rm on myfile. When the process rm myfile has ...

Get started with Bash, Unix pipes, directory navigation, sudo, Nano, and other command-line essentials ...

One of the best ways to write scripts quickly and effectively is to never start from scratch.

In Unix, the normal way to record (log) an interactive shell session is with the Unix 'script' command (what the user types is underlined): Every byte that is sent to the screen is recorded in the log ...

Unix commands can help you get a feel for how your users are working and what's usual or unusual about their command line activities ...

The most arcane shell commands and options are explained with plenty of examples. “Here” documents, a way to feed input to a script or command within the script itself, are explained thoroughly.