duh.se: TIL

vim: save to macOS clipboard

Johan Eckerström — Thu, 28 May 2026 03:24:00 -0000

:w !pbcopy

Hide kernel processes in top with LIBPROC_HIDE_KERNEL

Johan Eckerström — Wed, 26 Mar 2025 11:00:00 -0000

LIBPROC_HIDE_KERNEL=1 top

Although the question has aged a bit, there is an interesting new approach: Since version 4 of the procps package, you can set the environment variable LIBPROC_HIDE_KERNEL. If set, ps(1) and top(1) will display user space processes, only.

macOS: set the default app for a file type with duti

Johan Eckerström — Sat, 08 Mar 2025 11:00:00 -0000

duti takes a bundle identifier and binds it to a file extension (or UTI). Combine it with osascript to look up the bundle id of the app you actually have installed.

brew install duti

# Figure out the bundle id of the app you want.
osascript -e 'id of app "Zed"'

# Bind .yml files to that app, for all roles (viewer + editor).
duti -s "$(osascript -e 'id of app "Zed"')" .yml all