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 ...

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

I've talked before about how I am a lazy shell script programmer. It might be because I'm simply not a full-time professional software developer, and I don't even administer my own servers anymore—I ...

Once you’ve gained a solid understanding of Linux and mastered the various commands available, your next big win comes in the form of shell functions. Code wrapped in a function can be reused by your ...

For many users who get started with the command line in Linux, there’s a good chance they’re using Bourne Again Shell, or Bash. Bash is the default shell on Mac OS X, and Windows users can use Bash ...