3.3 General purpose utilities : more, ps, wc, printf or echo, lp, banner, bc , cal, date, time, who, man, kill
3.3 General purpose utilities : more, ps, wc, printf or echo, lp, banner, bc , cal, date, time, who, man, kill
पिछ्ला सुधार: गुरुवार, 9 अप्रैल 2020, 4:08 अपराह्न