this post was submitted on 01 Jul 2023
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Y'all know about ctrl-r to search history, right? I went for so many years without even thinking to look for something better than up-arrow, so I have to mention it.
Wait until they learn that you can
ctrl+uwhen you mistyped your password insudoinstead of spamming backspace...What does that do?
Delete until start of line. So essentially equivalent to spamming backspace a bunch.
It deletes all keystrokes that have been entered. So, if you know you made a typo when entering your password, you don't have to press backspace many times to make sure you have deleted all the characters before starting over but you can just press ctrl+u and start over.
ah neat, thanks.
Bro. You just changed my life and don't even realize it
Here's another mindfuck: gnu readline is so popular that developers of other software tend to implement its keybinds as hidden features/eastereggs. That's why ctrl+u works in GTK text input boxes as well!
I end up hitting Ctrl+u at work all the time and then being disappointed and holding backspace.
Damn, that really does solve a lot of problems, lol 😂.
history | grep
Does the job well if the key combo doesn't work.
Followed by !xxx where xxx is the number of the command to re-run
This. I didn't know about CTRL+R, but this has been my goto
Good tip!I didn't know about that. I just tried it out and it works pretty well but I worry how long it will take to break the habit of mashing the up arrow all the time since I've been doing it so long. This is clearly better though.