The here string is the leaner, more versatile cousin of the here doc.

Two of the best reasons for building shell scripts on Unix systems are 1) to repeat complex sets of instructions without having to rediscover or even retype the commands, and 2) to repeat complex sets ...

In this article, I want to cover a more fundamental aspect of shell scripting: working with command arguments. I suspect that most shell scripts go through an evolution with their command flags, ...

The Swish-e program is controlled by command line arguments (called switches). Often, it is run manually from a shell (command prompt), or from a program such as a CGI script that passes the command ...