,

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 ...) Priority 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 interpretation.

    -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@red-
    hat.com> is the current maintainer of the procps collection.

    Please send bug reports to <procps-list@redhat.com>