I have used bash scripts for years because they are ubiquitous and fast to prototype. Over time, my small helpers turned into a tangle of chained commands and fragile ...

The first software that I was actually paid to develop was a 2-page shell script that prompted the user for a dozen or so pieces of information, before launching a set of cooperating processes. Those ...

Bash vs. Fish? I've tried both Linux shells, and one makes using the command line much easier ...

For Linux users, the command line is a celebrated part of our entire experience. Unlike other popular operating systems, where the command line is a scary proposition for all but the most experienced ...

Bash (Bourne Again Shell) is the free and enhanced version of the Bourne shell distributed with Linux and GNU operating systems (OSes). Bash is similar to the original but has added features, such as ...

The bash (Bourne again shell) program is the standard Linux shell and is based on the standard Bourne shell that most UNIX releases use. It has a lot of very sophisticated features thatallow users to ...

Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...

You normally think of a critical section — that is, a piece of a program that excludes other programs from using a resource — as a pretty advanced technique. You certainly don’t often think of them as ...

A recent post about debugging constructs surprised me. There were quite a few comments about how you didn’t need a debugger, as long as you had printf. For that matter, we’ve all debugged systems ...