itself once it is running.
This is a \*(CO only and should you wish to return to normal operation,
-it is not necessary to quit and and restart \*(We \*(Em just issue any
+it is not necessary to quit and restart \*(We \*(Em just issue any
of these \*(CIs: '=', 'u' or 'U'.
The 'p', 'u' and 'U' \*(COs are mutually exclusive.
The process group ID of the foreground process for the connected tty,
or \-1 if a process is not connected to a terminal.
By convention, this value equals the process ID (\*(Xa PID) of the
-the process group leader (\*(Xa PGRP).
+process group leader (\*(Xa PGRP).
.TP 4
32.\fB TTY \*(Em Controlling Tty \fR
Prepending an exclamation point ('!') to the user id or name instucts top
to display only processes with users not matching the one provided.
-Different \*(TWs can can be used to filter different users.
+Different \*(TWs can be used to filter different users.
Later, if you wish to monitor all users again in the \*(CW, re-issue this
command but just press <Enter> at the prompt.