OS The Linux System

all threads of a process share the same address space

all threads of a process share the same global variables

all threads of a process can share the same files

all of the mentioned

p x ma + (1-p) x page fault time

ma + page fault time

(1-p) x ma + p x page fault time

none of the mentioned

Optimal replacement

LRU

FIFO

Both optimal replacement and FIFO

init process

zombie process

batch process

boot process

other threads are strictly prohibited from running

other threads are allowed to run

other threads only from other processes are allowed to run

none of the mentioned