Command-line essentials When you ssh into a Unix-like system, the system looks up your user account information and spawns a new shell process based on your preferences.

Bash scripting commands are as varied as the command set that Unix's terminal has. Bash commands can also use parameters, expanding their usability and making them a powerful way of controlling Linux.

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t pres… ...

Everything needed to use the same script with Linux and all varieties of UNIX is present: Linux, Solaris, AIX and HP-UX have one subsection each. The first chapter is a quick tutorial of shell ...