xkill , xload , xlogo , xlsatoms , xlsclients ,xlsfonts , xmag , xman , xmessage , xmh , xmodmap ,xmore from the x software set of Slackware Linux. shasum -a256=5742346cd9e14e8b7195ee7d31ac7df2202cb32b87568a13dab71b07e87c159a