Text and processing
The tac command
Shows a file with the lines in reverse order: the last first. It is 'cat' backwards.
Syntax
tac [archivo]Copy-ready examples
$ seq 1 3 | tacReverse the orderYou can try them in the browser terminal: it does not touch your computer.
Typical mistakes
- On huge files it loads everything into memory to reverse.
FAQ
What is it for in practice?
To read logs starting from the most recent entry.
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