{ "mode": "man", "parameter": "snice", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/snice/1/json", "generated": "2026-06-10T15:04:17Z", "synopsis": "skill [signal] [options] expression\nsnice [new priority] [options] expression", "sections": { "NAME": { "content": "skill, snice - send a signal or report process status\n", "subsections": [] }, "SYNOPSIS": { "content": "skill [signal] [options] expression\nsnice [new priority] [options] expression\n", "subsections": [] }, "DESCRIPTION": { "content": "These tools are obsolete and unportable. The command syntax is poorly defined. Consider us‐\ning the killall, pkill, and pgrep commands instead.\n\nThe default signal for skill is TERM. Use -l or -L to list available signals. Particularly\nuseful signals include HUP, INT, KILL, STOP, CONT, and 0. Alternate signals may be specified\nin three ways: -9 -SIGKILL -KILL.\n\nThe default priority for snice is +4. Priority numbers range from +20 (slowest) to -20\n(fastest). Negative priority numbers are restricted to administrative users.\n", "subsections": [] }, "OPTIONS": { "content": "", "subsections": [ { "name": "-f --fast", "content": "Fast mode. This option has not been implemented.\n", "flag": "-f", "long": "--fast" }, { "name": "-i --interactive", "content": "Interactive use. You will be asked to approve each action.\n", "flag": "-i", "long": "--interactive" }, { "name": "-l --list", "content": "List all signal names.\n", "flag": "-l", "long": "--list" }, { "name": "-L --table", "content": "List all signal names in a nice table.\n", "flag": "-L", "long": "--table" }, { "name": "-n --no-action", "content": "No action; perform a simulation of events that would occur but do not actually change\nthe system.\n", "flag": "-n", "long": "--no-action" }, { "name": "-v --verbose", "content": "Verbose; explain what is being done.\n", "flag": "-v", "long": "--verbose" }, { "name": "-w --warnings", "content": "Enable warnings. This option has not been implemented.\n", "flag": "-w", "long": "--warnings" }, { "name": "-h --help", "content": "Display help text and exit.\n", "flag": "-h", "long": "--help" }, { "name": "-V --version", "content": "Display version information.\n", "flag": "-V", "long": "--version" } ] }, "PROCESS SELECTION OPTIONS": { "content": "Selection criteria can be: terminal, user, pid, command. The options below may be used to\nensure correct interpretation.\n", "subsections": [ { "name": "-t --tty", "content": "The next expression is a terminal (tty or pty).\n", "flag": "-t", "long": "--tty" }, { "name": "-u --user", "content": "The next expression is a username.\n", "flag": "-u", "long": "--user" }, { "name": "-p --pid", "content": "The next expression is a process ID number.\n", "flag": "-p", "long": "--pid" }, { "name": "-c --command", "content": "The next expression is a command name.\n\n--ns pid\nMatch the processes that belong to the same namespace as pid.\n\n--nslist ns,...\nlist which namespaces will be considered for the --ns option. Available namespaces:\nipc, mnt, net, pid, user, uts.\n", "flag": "-c", "long": "--command" } ] }, "SIGNALS": { "content": "The behavior of signals is explained in signal(7) manual page.\n", "subsections": [] }, "EXAMPLES": { "content": "", "subsections": [ { "name": "snice -c seti -c crack +7", "content": "Slow down seti and crack commands.\n\nskill -KILL -t /dev/pts/*\nKill users on PTY devices.\n" }, { "name": "skill -STOP -u viro -u lm -u davem", "content": "Stop three users.\n" } ] }, "SEE ALSO": { "content": "kill(1), kill(2), killall(1), nice(1), pkill(1), renice(1), signal(7)\n", "subsections": [] }, "STANDARDS": { "content": "No standards apply.\n", "subsections": [] }, "AUTHOR": { "content": "Albert Cahalan ⟨albert@users.sf.net⟩ wrote skill and snice in 1999 as a replacement for a\nnon-free version.\n", "subsections": [] }, "REPORTING BUGS": { "content": "Please send bug reports to ⟨procps@freelists.org⟩\n\n\n\nprocps-ng 2018-05-31 SKILL(1)", "subsections": [] } }, "summary": "skill, snice - send a signal or report process status", "flags": [ { "flag": "-f", "long": "--fast", "arg": null, "description": "Fast mode. This option has not been implemented." }, { "flag": "-i", "long": "--interactive", "arg": null, "description": "Interactive use. You will be asked to approve each action." }, { "flag": "-l", "long": "--list", "arg": null, "description": "List all signal names." }, { "flag": "-L", "long": "--table", "arg": null, "description": "List all signal names in a nice table." }, { "flag": "-n", "long": "--no-action", "arg": null, "description": "No action; perform a simulation of events that would occur but do not actually change the system." }, { "flag": "-v", "long": "--verbose", "arg": null, "description": "Verbose; explain what is being done." }, { "flag": "-w", "long": "--warnings", "arg": null, "description": "Enable warnings. This option has not been implemented." }, { "flag": "-h", "long": "--help", "arg": null, "description": "Display help text and exit." }, { "flag": "-V", "long": "--version", "arg": null, "description": "Display version information." } ], "examples": [ "Slow down seti and crack commands.", "skill -KILL -t /dev/pts/*", "Kill users on PTY devices.", "Stop three users." ], "see_also": [ { "name": "kill", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/kill/1/json" }, { "name": "kill", "section": "2", "url": "https://www.chedong.com/phpMan.php/man/kill/2/json" }, { "name": "killall", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/killall/1/json" }, { "name": "nice", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/nice/1/json" }, { "name": "pkill", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/pkill/1/json" }, { "name": "renice", "section": "1", "url": "https://www.chedong.com/phpMan.php/man/renice/1/json" }, { "name": "signal", "section": "7", "url": "https://www.chedong.com/phpMan.php/man/signal/7/json" } ] }