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submitted 10 months ago by Pantherina@feddit.de to c/linuxmemes@lemmy.world

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image of a cat looking at a bunch of paper a woman shows it, with the header "cat ~/.bash_history"

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[-] Rin@lemm.ee 33 points 10 months ago

So, yk how the history command outputs something like this:

1   Abcd
2   Efgh
3   Ijkl

If you run !2, you will run Efgh.

It blew my mind the first time I saw it, but maybe I'm just stupid.

[-] XEAL@lemm.ee 17 points 10 months ago

I actually use quite frequently "sudo !!“, but I didn't know the details of why it worked...

Now I see more sense in using the history command, specially combined with grep.

[-] platypus_plumba@lemmy.world 2 points 10 months ago

Same here, I just assumed it was a special thing that saved the last command. Had no idea it was actually a query to the history

[-] lemann@lemmy.one 5 points 10 months ago

TIL

[-] rtxn@lemmy.world 3 points 10 months ago

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this post was submitted on 19 Nov 2023

448 points (97.9% liked)

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