Linux Shell - AshokBhat/notes GitHub Wiki
sh
- Original Bourne shell
- An old shell without the POSIX features
bash
- GNU Bourne-again shell (bash)
- Mostly Bourne-compatible, mostly POSIX-compatible, and has other useful extensions
- Default on most Linux systems
C shell (csh)
- Resembles slightly the C programming language
- NOT Bourne-compatible