ref: 4e18dc77f2ab9257b363ccb480a69cb9def901ba
dir: /bin/clear/
#!/bin/rc -e rfork e flagfmt = 'a:clearall'; args = '' eval `{aux/getflags $*} || aux/usage if(~ $clearall 1) >/dev/text && exit </dev/text sed '/^'^$prompt(1)^'/q' | sed '$d' >/tmp/clear cat /tmp/clear >/dev/text