Compress sparse bundle disk image mounted over a network:

$ sudo hdiutil compact /Volumes/time-machine-backups/my-machine.sparsebundle

List available PluginKit extensions:

$ pluginkit -mAvvv

Get infos on a PluginKit extensions:

$ pluginkit -m -v -i com.agilebits.onepassword7.1PasswordSafariAppExtension

Enable a PluginKit extensions:

$ pluginkit -e use -i com.agilebits.onepassword7.1PasswordSafariAppExtension

List non-system kernel extensions currently loaded:

$ kextstat | grep -v com.apple

List non-system kernel extensions currently loaded:

$ sudo kextunload -b com.google.drivefs.filesystems.dfsfuse

Clear local DNS cache:

$ sudo killall -HUP mDNSResponder

List all partitions of all disks:

$ diskutil list

Remove the first partition of the fourth disk:

$ diskutil eraseVolume free free /dev/disk4s1

Install Steam in a case-insensitive disk image.