mirror of
https://gitlab.com/procps-ng/procps.git
synced 2024-11-28 12:33:27 +08:00
118 lines
3.1 KiB
Groff
118 lines
3.1 KiB
Groff
,\" t
|
|
.\" (The preceding line is a note to broken versions of man to tell
|
|
.\" them to pre-process this man page with tbl)
|
|
.\" Man page for skill and snice.
|
|
.\" Licensed under version 2 of the GNU General Public License.
|
|
.\" Written by Albert Cahalan, converted to a man page by
|
|
.\" Michael K. Johnson
|
|
.\"
|
|
.TH SKILL 1 "March 12, 1999" "Linux" "Linux User's Manual"
|
|
.SH NAME
|
|
skill, snice \- report process status
|
|
|
|
.SH SYNOPSIS
|
|
.nf
|
|
skill [signal to send] [options] process selection criteria
|
|
snice [new priority] [options] process selection criteria
|
|
.fi
|
|
|
|
.SH 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.
|
|
|
|
.SH "GENERAL OPTIONS"
|
|
.TS
|
|
l l l.
|
|
-f fast mode This is not currently useful.
|
|
-i interactive use T{
|
|
You will be asked to approve each action.
|
|
T}
|
|
-v verbose output T{
|
|
Display information about selected processes.
|
|
T}
|
|
-w warnings enabled This is not currently useful.
|
|
-n no action This only displays the process ID.
|
|
-V show version Displays version of program.
|
|
.TE
|
|
|
|
.SH "PROCESS SELECTION OPTIONS"
|
|
Selection criteria can be: terminal, user, pid, command.
|
|
The options below may be used to ensure correct interpretation.
|
|
.TS
|
|
l l.
|
|
-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.
|
|
.TE
|
|
|
|
.SH SIGNALS
|
|
The signals listed below may be available for use with skill.
|
|
When known, numbers and default behavior are shown.
|
|
.TS
|
|
lB rB lB lB
|
|
lfCW r l l.
|
|
Name Num Action Description
|
|
.TH
|
|
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 may not be implemented
|
|
PWR ignore may exit on some systems
|
|
WINCH ignore
|
|
CHLD ignore
|
|
URG ignore
|
|
TSTP stop may interact with the shell
|
|
TTIN stop may interact with the shell
|
|
TTOU stop may interact with the shell
|
|
STOP stop this signal may not be blocked
|
|
CONT restart continue if stopped, otherwise 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
|
|
.TE
|
|
|
|
.SH EXAMPLES
|
|
.TS
|
|
lB lB
|
|
lfCW l.
|
|
Command Description
|
|
.TC
|
|
snice netscape crack +7 Slow down netscape and crack
|
|
skill -KILL -v /dev/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
|
|
.TE
|
|
|
|
.SH "SEE ALSO"
|
|
top(1) kill(1) renice(1) nice(1)
|
|
|
|
.SH STANDARDS
|
|
No standards apply.
|
|
|
|
.SH AUTHOR
|
|
Albert Cahalan <albert@users.sf.net> 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 <albert@users.sf.net>
|