002+ ps: invalid option -- p
003+ BusyBox v1.31.0 (2019-07-10 00:25:54 CST) multi-call binary.
004+
005+ Usage: ps [-o COL1,COL2=HEADER] [-T]
006+
007+ Show list of processes
008+
009+ -o COL1,COL2=HEADER Select columns for display
010+ -T Show threads