Linux › Section B · Basic commands and the directory hierarchy › Topic B.1
The Bourne shell and using it
The shell is the program you talk to when you type commands, and much of Linux, from start-up scripts to administration, is built on it. This topic introduces the Bourne shell family, the terminal window and the shape of a command, using cat to see how programs read and write.
In this topic
- What a shell does
- From the Bourne shell to bash
- Terminal and shell are different things
- Reading the prompt
- Anatomy of a command
- cat: joining and printing files
- Worked example: taking a command apart
- Standard input and standard output
- Worked example: which shell is which?
- Common mistakes to avoid
- Key takeaways
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