Read a line from standard input and save received words sequentially in variables XPID XUSERID XPRIORITY XVIRTUAL XRESIDENT XSHARED XSTATE XCPU XMEM XTIME XCOMMAND
read XPID XUSERID XPRIORITY XVIRTUAL XRESIDENT XSHARED XSTATE XCPU XMEM XTIME XCOMMAND