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352 B
352 B
| sr-due | sr-interval | sr-ease |
|---|---|---|
| 2022-05-22 | 53 | 310 |
tags: #review
Shells
- start and stop OS processes
- used to control OS
- connect output of one OS process to input of another process -> this is the idea of Unix pipes
- manage environment variables: pass params to programs
- parse and evaluate command line instructions from user