←back to thread

Useful built-in macOS command-line utilities

(weiyen.net)
700 points yen223 | 1 comments | 06 Nov 24 05:51 UTC | HN request time: 0.001s | source
Show context
vbezhenar ◴[06 Nov 24 08:24 UTC] No.42058069[source]▶
Few additions.

open -n file.pdf : opens new instance of Preview application which is useful if you want to open the same file twice (for example to look at different pages at once).

caffeinate -d : prevents display turning off, useful if you want to look at display without moving mouse.

replies(9): >>42058131 #>>42059558 #>>42059666 #>>42060870 #>>42062814 #>>42064032 #>>42068484 #>>42068855 #>>42069659 #
1. beancookies ◴[06 Nov 24 21:25 UTC] No.42069659[source]▶
Another useful caffeinate tip is the `-w` option.

You can use it to pass a pid to keep the computer awake until that process completes. I use it for longer-running scripts that I don't want interrupted