Process¶

running program in mem.

Structure¶

Stack Heap Data Text

States¶

• new
• ready
• running
• waiting (for I/O)
• terminated

Types¶

PCB¶

Threads¶

segment of program, shared memory.

Scheduling¶

order of processes.

• Long term -> jobs
• short term -> cpu allocation
• medium term -> process swapping

Max Zombies?¶

#include<stdio.h>
#include<unistd.h>

int main()
{
    int count = 0;
    while (fork() > 0)
    {
        count++;
        printf("%d\t", count);
    }
}