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.

Learning Bash is really useful, especially if you want to unlock the full power of a Unix or Linux system. Here are some of the most compelling reasons to look at Bash scripting as something to learn.

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 ...

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… ...