Linux - Difference between the fork() and vfork() system call

Difference between the fork() and vfork() system call.

fork: Both the parent and child share all of the page tables until any one of them does a write. Then paging will create private page copy of the dirty page for the purpose of modifying process. This process is done on demand.

vfork - In this system call until child exits or execs, the parent will be suspended. The memory and stack are shared by the child.
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Chawal
faisal 10-13-2014