tldr/pages/common/sort.md

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# sort
> Sort lines of text files.
- Sort a file in ascending order:
`sort {{filename}}`
- Sort a file in descending order:
`sort -r {{filename}}`
- Sort passwd file by the 3rd field:
`sort -t: -k 3n /etc/passwd`
- Sort a file as number in ascending order:
`sort -n {{filename}}`
- Sort a file preserving only unique lines:
`sort -u {{filename}}`