11-21-2001
Executing Ps in script
Im Sorry to bother you guys butim totally new to Unix, so pls help me out if you can. This could be a silly question.
I wanna run the command "ps" in script, but how should I be able to do so? Actually I have made a menu for the user to choose from...for example
1. Show all processes
2. Kill process
.
.
.
N. XXX
I want to get it done when the user chooses option one and it will show him the processes currently running.
Thx!
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LEARN ABOUT FREEBSD
killall
KILLALL(1) BSD General Commands Manual KILLALL(1)
NAME
killall -- kill processes by name
SYNOPSIS
killall [-delmsvz] [-help] [-I] [-j jail] [-u user] [-t tty] [-c procname] [-SIGNAL] [procname ...]
DESCRIPTION
The killall utility kills processes selected by name, as opposed to the selection by PID as done by kill(1). By default, it will send a TERM
signal to all processes with a real UID identical to the caller of killall that match the name procname. The super-user is allowed to kill
any process.
The options are as follows:
-d | -v Be more verbose about what will be done. For a single -d option, a list of the processes that will be sent the signal will be
printed, or a message indicating that no matching processes have been found.
-e Use the effective user ID instead of the (default) real user ID for matching processes specified with the -u option.
-help Give a help on the command usage and exit.
-I Request confirmation before attempting to signal each process.
-l List the names of the available signals and exit, like in kill(1).
-m Match the argument procname as a (case sensitive) regular expression against the names of processes found. CAUTION! This is
dangerous, a single dot will match any process running under the real UID of the caller.
-s Show only what would be done, but do not send any signal.
-SIGNAL Send a different signal instead of the default TERM. The signal may be specified either as a name (with or without a leading
``SIG''), or numerically.
-j jail Kill processes in the specified jail.
-u user Limit potentially matching processes to those belonging to the specified user.
-t tty Limit potentially matching processes to those running on the specified tty.
-c procname Limit potentially matching processes to those matching the specified procname.
-q Suppress error message if no processes are matched.
-z Do not skip zombies. This should not have any effect except to print a few error messages if there are zombie processes that
match the specified pattern.
ALL PROCESSES
Sending a signal to all processes with the given UID is already supported by kill(1). So use kill(1) for this job (e.g. ``kill -TERM -1'' or
as root ``echo kill -TERM -1 | su -m <user>'').
IMPLEMENTATION NOTES
This FreeBSD implementation of killall has completely different semantics as compared to the traditional UNIX System V behavior of killall.
The latter will kill all processes that the current user is able to kill, and is intended to be used by the system shutdown process only.
EXIT STATUS
The killall utility exits 0 if some processes have been found and signalled successfully. Otherwise, a status of 1 will be returned.
DIAGNOSTICS
Diagnostic messages will only be printed if requested by -d options.
SEE ALSO
kill(1), pkill(1), sysctl(3), jail(8)
HISTORY
The killall command appeared in FreeBSD 2.1. It has been modeled after the killall command as available on other platforms.
AUTHORS
The killall program was originally written in Perl and was contributed by Wolfram Schneider, this manual page has been written by Jorg
Wunsch. The current version of killall was rewritten in C by Peter Wemm using sysctl(3).
BSD
June 30, 2013 BSD