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this post was submitted on 21 Sep 2024
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Not a command but bang expansions. For example !? is the args of last command useful for stuff like mkdir foo ; cd !?
https://www.redhat.com/sysadmin/bash-bang-commands learn these. you suck at using your computer if you don't know them.
control+R
in bash, it lets you quickly search for previously executed commands.
its very useful and makes things much quicker, i recommend you give it a try.
CTR + u will delete the whole command. I use that a lot so I don't have to backspace. It's saved me a ton of time
Related: Alt + ., to cycle through arguments used in previous commands
atools, which includesals,aunpack,apack. so you can stop caring about the kind of archive and just unpack it. it also saves you from shit archives that have multiple files/dirs in their root.perl -e/perl -lne/ ...unitsbc- a calculator that's actually goodpass- the only non-shit password store tool i've found so far. no gui, uses gpg and git to do the encrypting and storage/sharingalias lr='ls -lrth'- so you can easily find the newest file, cos that's frequently what you wantunip- my script to look up things in the unicode dbfind -type f -exec xzgrep 're' {} +- because xzgrep cant do -r
oh yeah, and for the shell readline, alt-b, alt-f, ctrl-w, ctrl-u, ctrl-k, ctrl-a, ctrl-e
pv (Pipe Viewer) is a command line tool to view verbose information about data streamed/piped through it. The data can be of any source like files, block devices, network streams etc. It shows the amount of data passed through, time running, progress bar, percentage and the estimated completion time.
Getting cheatsheets via curl cheat.sh/INSERT_COMMAND_HERE
No install necessary, Also, you can quickly search within the cheatsheets via ~. For example if you copy curl cheat.sh/ls~find will show all the examples of ls that use find. If you remove ~find, then it shows all examples of ls.
I have a function in my bash alias for it (also piped into more for readability):
function cht() { curl cheat.sh/"$1"?style=igor|more }
less, watch
ls
jq
sudo !! to rerun last command as sudo.
history can be paired with !5 to run the fifth command listed in history.
Fifth as in fifth most recent command or fifth oldest?
I believe it's the fifth oldest - I think !-5 will get you the fifth impost recent, but I was shown that and haven't put it into practice.
The most common usecase I do is something like history | grep docker to find docker commands I've ran, then use ! followed by the number associated with the command I want to run in history.
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