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skill (1)
  • >> skill (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
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    NAME

    skill, snice - send a signal or report process status
    

     

    SYNOPSIS

    skill [signal to send] [options] process selection criteria
    snice [new priority] [options] process selection criteria
    

     

    DESCRIPTION

    These tools are probably obsolete and unportable. The command syntax is poorly defined. Consider using the killall, pkill, and pgrep commands instead.

    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

    -ffast modeThis is not currently useful.
    -iinteractive use You will be asked to approve each action.
    -vverbose output Display information about selected processes.
    -wwarnings enabledThis is not currently useful.
    -nno actionThis only displays the process ID.
    -Vshow versionDisplays version of program.

     

    PROCESS SELECTION OPTIONS

    Selection criteria can be: terminal, user, pid, command. The options below may be used to ensure correct interpretation. Do not blame Albert for this interesting interface.
    -tThe next argument is a terminal (tty or pty).
    -uThe next argument is a username.
    -pThe next argument is a process ID number.
    -cThe next argument is a command name.

     

    SIGNALS

    The signals listed below may be available for use with skill. When known, numbers and default behavior are shown.
    NameNumActionDescription
    00n/aexit code indicates if a signal may be sent
    ALRM14exit
    HUP1exit
    INT2exit
    KILL9exitthis signal may not be blocked
    PIPE13exit
    POLLexit
    PROFexit
    TERM15exit
    USR1exit
    USR2exit
    VTALRMexit
    STKFLTexitmay not be implemented
    PWRignoremay exit on some systems
    WINCHignore
    CHLDignore
    URGignore
    TSTPstopmay interact with the shell
    TTINstopmay interact with the shell
    TTOUstopmay interact with the shell
    STOPstopthis signal may not be blocked
    CONTrestartcontinue if stopped, otherwise ignore
    ABRT6core
    FPE8core
    ILL4core
    QUIT3core
    SEGV11core
    TRAP5core
    SYScoremay not be implemented
    EMTcoremay not be implemented
    BUScorecore dump may fail
    XCPUcorecore dump may fail
    XFSZcorecore dump may fail

     

    EXAMPLES

    CommandDescription
    snice seti crack +7Slow down seti and crack
    skill -KILL -v /dev/pts/*Kill users on new-style PTY devices
    skill -STOP viro lm davemStop 3 users
    snice -17 root bashGive priority to root's shell

     

    SEE ALSO

    killall(1) pkill(1) kill(1) renice(1) nice(1) signal(7) kill(2)

     

    STANDARDS

    No standards apply.

     

    AUTHOR

    Albert Cahalan <[email protected]> wrote skill and snice in 1999 as a replacement for a non-free version, and is the current maintainer of the procps collection. Please send bug reports to <[email protected]>.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    GENERAL OPTIONS
    PROCESS SELECTION OPTIONS
    SIGNALS
    EXAMPLES
    SEE ALSO
    STANDARDS
    AUTHOR


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