A program (binary, or executable) is a file on disk somewhere, in a recognized format. Common formats include ELF on 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… ...

For example, there is $ sign in front of variables. This is in contrast to a typical programming language, where variables are names and strings are in some kind of quote marks. There are also ...

Semantics-driven static analysis could be used to improve the safety, correctness, and performance of Unix, Linux, and macOS shell scripts, researchers say. Credit: Ronin83 / Shutterstock ...

For example, a common issue with shell scripts is to forget to quote an environment variable that could hold a file name that contains spaces. For example, consider this really simple script: ...