lots of qs. 2

[Chetan Sakhardande]

) If a process cannot change anothers data structures, how does a job
control shell make its child a proces grp leader ?

2) In select system call, when is an fd ready for writing ?

3) WHEN INETD FORKS A CHILD(SERVER) FOR A REQUEST, HOW DOES IT DO SETUID
AND SETGID FO THE NEW SERVER PROCESS THAT IT JUST FORKED(I.E. HOW DOES IT
KNOW WHICH UID TO SET TO )