Diff b/n kill and kill -9

ammu · #1 (**permalink**) 07-18-2007

Hi,

I have a process with say pid x. What is the difference b/n

kill x and kill -9 x in unix

Thanks
Ammu

porter · #2 (**permalink**) 07-18-2007

Code:

     2. The sig argument is the value specified by the -s option,
        the  -signal_name  option,  or the -signal_number option,
        or, if none of these options is specified, by SIGTERM.

and also

Code:

sys/iso/signal_iso.h:#define    SIGKILL 9       /* kill (cannot be caught or ignored) */

says it all.

porter · #3 (**permalink**) 07-18-2007

Also signal numbers are not portable.

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