The Bash shell is definitely not the only shell out there, but it’s one of the most powerful. This makes it a popular choice for systems administrators needing to develop serious applications that go beyond a simple “laundry list” of commands to run on a system. There are lots of great uses for other shells (I default to Tcsh for Git hooks, for instance), but Bash is an easy choice for serious scripting, and here’s why.read more
Source: LXer – Get started with Bash scripting for sysadmins