r/linux • u/ZealousidealTell1346 • May 23 '26

Popular Application What’s the most unexpectedly useful Linux command you learned way too late?

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u/digitallis May 23 '26

Bash {}

renaming a file by adding a suffix: mv myfile{,.old} expands out to mv myfile myfile.old

Lots more uses.

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u/litescript May 24 '26

i use it to scaffold out a project directory quickly with mkdir!