Snap

sudo apt update sudo apt install snapd sudo snap set system refresh.retain=2

sudo snap refresh sudo list --all sudo list

sudo du -sh /var/lib/snapd/cache sudo du -sh /var/lib/snapd/snaps sudo ls -lah /var/lib/snapd/snaps

Playground

sudo snap set system refresh.retain=2 sudo du -sh /var/lib/snapd/cache sudo list --all	sudo ls -l /var/lib/snapd/cache | sed '1d' \ | cut --fields=2 --delimiter=' ' \ | grep 1 | wc --lines
export LANG=en_US.UTF-8;\ sudo snap set system refresh.retain=2;\ snap list --all | awk '/disabled/{print $1, $3}' |\ while read NAME REVISION;do echo "${NAME} » ${REVISION}";done
export LANG=en_US.UTF-8;\ sudo snap set system refresh.retain=2;\ snap list --all | awk '/disabled/{print $1, $3}' |\ while read NAME REVISION;do sudo snap remove "${NAME}" --revision="${REVISION}";done
systemctl status snapd.service systemctl start snapd.service systemctl stop snapd.service	df -PTh /var/lib/snapd

References

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Shell » Scripts » Benefits of using set -e, -u, and -x CocoaPods Homebrew