~/.cache

28. 10. 2019

freedesktop.org was formerly known as the X Desktop Group, and the acronym “XDG”, remains common in their work.

https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html

If $XDG_CACHE_HOME is either not set or empty, a default equal to $HOME/.cache should be used.

https://wiki.archlinux.org/index.php/XDG_Base_Directory#Specification

cd .cache
duh2 | tail

53M	./jhbuild
91M	./supertuxkart
140M	./godot
142M	./winetricks
262M	./RawTherapee
403M	./thumbnails
526M	./mozilla
823M	./google-chrome
2.6G	.
2.6G	total

Everything in enviroment considering XDG (Debian Buster Openbox)

printenv | grep XDG

XDG_SEAT=seat0
XDG_SESSION_TYPE=x11
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_SESSION_CLASS=user
XDG_SESSION_ID=1
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session0
XDG_RUNTIME_DIR=/run/user/1000
XDG_SESSION_DESKTOP=openbox
XDG_GREETER_DATA_DIR=/var/lib/lightdm/data/b
XDG_VTNR=7
XDG_DATA_DIRS=/home/b/.local/share ...

linux