Answer Posted / k.sri ganesh

fork() - To Duplicate the Process
exec() - Family of Functions Replace the calling process
image with new process image

getpid() - To get process id
getppid() - To get the parent process id
getpgrp() - To get the process group


wait() - To wait the calling process to get child's exit status
sleep() - To suspend the execution of the process for some
seconds
kill() - To send signal to a process
exit()-terminate the calling process
brk()-change data segment size
signal()-ANSI c signal handler
nice()-run a program with modified scheduling priority

Please describe the initial process sequence while the system boots up?

958

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Tell me set-user-id is related to (in unix)?

869

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Explain what is the process id for kernel process?

939

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Explain the system calls used for process management?

905

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Max relax-able permission value with out giving write permission to others?

948

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Explain the advantage of executing a process in background?

866

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What are the various schemes available in ipc?

907

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What is unix ipc?

932

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Explain what are the system calls used for process management?

897

---

What are the various schemes available?

892

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What is the full form of ipc?

1074

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What is the condition required for dead lock in unix system?

909

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What is daemon?

965

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What is ln(linking)?

982

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What is the very first process created by kernel?

1011

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