snice

 

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 SKILL(1)               Linux User's Manual               SKILL(1)
 
 
 
 ,
 
NAME
        skill, snice - report process status
 
 
SYNOPSIS
        skill [signal to send] [options] process selection criteria
        snice [new priority] [options] process selection criteria
 
 
DESCRIPTION
        The default signal for skill is TERM. Use -l or -L to list
        available signals.  Particularly  useful  signals  include
        HUP,  INT, KILL, STOP, CONT, and 0.  Alternate signals may
        be specified in three ways: -9 -SIGKILL -KILL.
 
        The default priority for snice is +4. (snice +4 ...)  Pri­
        ority  numbers  range from +20 (slowest) to -20 (fastest).
        Negative priority numbers are restricted to administrative
        users.
 
 
 GENERAL OPTIONS
        -f   fast mode          This is not currently useful.
        -i   interactive use    You  will be asked to approve each
                                action.
        -v   verbose output     Display information about selected
                                processes.
        -w   warnings enabled   This is not currently useful.
        -n   no action          This only displays the process ID.
 
 
 PROCESS SELECTION OPTIONS
        Selection  criteria  can be: terminal, user, pid, command.
        The options below may be used to ensure correct  interpre­
        tation.
        -t   The next argument is a terminal (tty or pty).
        -u   The next argument is a username.
        -p   The next argument is a process ID number.
        -c   The next argument is a command name.
 
 
 SIGNALS
        The signals listed below are available for use with skill.
        When known, numbers and default behavior are shown.
        Name     Num   Action    Description
        ()                                                             ()
 
 
 
        ALRM      14   exit
        HUP        1   exit
        INT        2   exit
        KILL       9   exit      this signal may not be blocked
        PIPE      13   exit
        POLL           exit
        PROF           exit
        TERM      15   exit
        USR1           exit
        USR2           exit
 
        VTALRM         exit
        STKFLT         exit      i386, m68k, arm and ppc hardware only
        UNUSED         exit      i386, m68k, arm and ppc hardware only
        TSTP           stop      context-dependent behavior may appear random
        TTIN           stop      context-dependent behavior may appear random
        TTOU           stop      context-dependent behavior may appear random
        STOP           stop      this signal may not be blocked
        CONT           restart   continue if stopped, otherwise ignore
        PWR            ignore    may exit on some systems
        WINCH          ignore
        CHLD           ignore
        URG            ignore
        ABRT       6   core
        FPE        8   core
        ILL        4   core
        QUIT       3   core
        SEGV      11   core
        TRAP       5   core
        SYS            core      may not be implemented
        EMT            core      may not be implemented
        BUS            core      core dump may fail
        XCPU           core      core dump may fail
        XFSZ           core      core dump may fail
 
 
 EXAMPLES
        Command                            Description
        snice netscape crack +7            Slow down netscape and crack
        skill -KILL -v pts/*               Kill users on new-style PTY devices
        skill -STOP torvalds davem tytso   Stop 3 users
        snice -17 root bash                Give priority to root's shell
 
 
SEE ALSO
        top(1) kill(1) renice(1) nice(1)
 
 
 STANDARDS
        No standards apply.
 
 
AUTHOR
        Albert Cahalan <acahalan@cs.uml.edu> wrote skill and snice
        in  1999  as a replacement for a non-free version. Michael
        K. Johnson <johnsonm@redhat.com> is the current maintainer
        of the procps collection.
 
        Please send bug reports to <procps-bugs@redhat.com>
 
 
 
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