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What are some of your most useful or favorite terminal commands?
(piefed.social)
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this post was submitted on 16 Dec 2025
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when I forget to include sudo in my command:
sudo !!If you use
fish, you just need to pressAlt+S.To add to this one, it also supports more than just the previous command (which is what !! means), you can do like
sudo !453to run command 453 from your history, also supports relative like!-5. You can also use without sudo if you want which is handy to do things like!lsfor the last ls command etc. Okay one more, you can add:pto the end to print the command before running it just in case like!systemctl:pwhich can be handy!Absolutely wild stuff, there. Thanks for knowledge sharing!
Also if you make a typo you can quickly fix it with ^, e.g.
ls /var/logs/apache^logs^logAnd if an argument recurs, global replacement is:
I usually spell this as
!!:gs/foo/bar/(in bash). Is there a functional difference?!command history can also take line and word selectors. I type something like!-2:2surprisingly often.Just use thefuck. My alias is set to “fu” for work. It’s amazing.
Similar-ish for quickly editing last command:
I forget where I got it. But mine will do this if I double tap ESC after I sent the command without sudo. Very useful.
I should probably figure out what it was I added to do this.
Doesn't issue the command. Have to hit enter. Useful to verify it's the right command first.
With the way bash history can work Id be worried about running sudo rm -rf ./* by mistake.
I learned about this through Bread On Penguins, she did a vid on useful commands
https://www.youtube.com/watch?v=PRm6tYo8nGY
with zsh, you can use it, and then press space to have the !! replaced by the previous command to be able to edit it :)
You can do this on bash too if you add
bind Space: magic-spaceto your bashrc/profile