true or false

~A program resides in Main Memory

~A process resides in Main Memory

~A program resides in/on Disk (Secondary Memory)

~A primary objective of an OS is to manage hardware resources and provide a useful interface of those resources to programmers.

~The four components managed by an OS are Main Memory, System Bus, Processor (CPU),
and I/O Modules.

~Every (Unix or Linux) process has its own unique PID (process ID).

~Two different (Unix or Linux) processes can have the same PID.

~Two different (Unix or Linux) processes can have the same PPID (parent process ID).

~Process management code in the kernel is always executed in kernel mode.

~A fork() function call is a system call.

~A fork() function call in a user program is executed in user mode, not in kernel mode.