Process Management - fork

Notes:
User must have PH capability
:altacct <account> ;cap=+ph           (done by user with SM capability)             
:altuser <user>.<account> ;cap=+ph    (done by AM with AM capability)    
Like 2 programs in one
More common to start some other program

Process Management - fork - 2
Compile & link sample program
> c89 -o forkt forkt.c  
Program & user must have PH capability

- c89 link adds PH capability by default to program

- if -W option is used to add shared library, must specify cap=ph
>c89 -o ... -WL,cap=ph -W,XL=/lib/libsvipc.sl     
Run sample program
> forkt
child: here
parent: here      

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