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kill

Type

command

Summary

Signals or quits another process or application on the same system.

Syntax

kill [{<signalNumber> | <signalName>}] process <processName>

Description

Use the kill command to send a signal to a process (on Unix|Unix systems), or to terminate a process with extreme prejudice.

On Mac OS systems, the kill command sends a "Quit Application" Apple event to the specified application.

On Unix systems, the kill command sends the specified signal to the process. If no signal is specified, the kill command sends SIGTERM. Check the Unix documentation for information about available signals. The file /usr/include/sys/signal.h lists signals and their corresponding signal numbers.

If possible, use the close process command instead of the kill command to terminate a process. The kill command causes an immediate exit, and may prevent the process from removing temporary files or doing other cleanup tasks.

Parameters

NameTypeDescription

signalNumber

The number of the Unix signal to send to the process.

Note: The signalNumber parameter is ignored on Mac OS and Windows systems.

signalName

The name of a Unix signal, minus the leading "SIG". (For example, to send SIGHUP to a process, use HUP as the signalName.)

Note: The signalName parameter is ignored on Mac OS and Windows systems.

processName

The name of a currently executing process.

Examples

kill process "rnews"
kill 9 process myProcess -- terminate with extreme prejudice
kill QUIT process it

control structure: exit

function: openProcessIDs, sysError, files, processID, openProcesses

glossary: Unix, Apple Event, command, process

keyword: file

message: signal

command: open process, quit, close process, launch

Compatibility and Support

Introduced

LiveCode 1.0

OS

mac

windows

linux

Platforms

desktop

server

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