this post was submitted on 04 Jul 2025

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133

What computer life hacks are your most used? (lemmy.world)

submitted 21 hours ago by TehBamski@lemmy.world to c/asklemmy@lemmy.world

96 comments fedilink hide all child comments

Mine is using the arrow keys to navigate typed text while writing and editing. It helps speed things up, versus having to move your hand to the mouse to navigate.

Use the Up and Down Arrows to move/jump vertically.

Left and Right Arrows to move/jump horizontally.

Combine Left or Right Arrow with Shift to be able to select text. Use Up or Down Arrow with Shift to quickly select whole/nearly whole sections of text.

Combine Control with Left/Right Arrow to jump whole words to more quickly move to where you want to type.

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[–] moe93@lemmy.dbzer0.com 46 points 19 hours ago (3 children)

To navigate to the previous folder

cd -

To reissue the previous command with a prefix. For example:

cat /root/.ssh/authorized_keys # Will fail without privilege

sudo !!

To use the argument of the previous command. For example:

tac ~/.ssh/authorized_keys # oops, misspelled cat

cat !$

[–] hornywarthogfart@sh.itjust.works 7 points 14 hours ago* (last edited 14 hours ago)

The - works with git branching as well for those who didn't know. git checkout - will switch to the previously checked out branch so it effectively toggles between your two most recent branches.

[–] owenfromcanada@lemmy.ca 14 points 18 hours ago (1 children)

Oh dang, I never knew about the !! shortcut. I especially like it for the sudo example, because when it complains I don't have permission, I can basically yell at it.

[–] davidgro@lemmy.world 13 points 17 hours ago

I've seen posts suggesting adding the following to your .bashrc:

alias fuck='sudo $(history -p \!\!)'

[–] beastlykings@sh.itjust.works 5 points 16 hours ago

cd -... Wow, I can't believe I never knew about this. I should read more man pages.

!! Is useful too, never knew. Thanks!