Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.
Enable the Linux terminal on any Android device, and you can create or practice your bash scripting on the go.
Your terminal doesn't have to look like a boring block of white-on-black text. Personalizing it so much easier than it seems.
If you don't love the shell you're using on your Linux system, change it! There are plenty, including bash, fish, ksh, tcsh, zsh. There are quite a few shells on Linux system and more that can be ...