Key Terms and Concepts

a.out format

apropos command

ar command

child process

context switch

data segment

ELF format

errno variable

executable program

fork system call

function

heap

info command

kernel

kernel mode

kernel process

kernel space

library file

library function

man command

multiprocessing

multiprogramming

multitasking

nm command

object code

parent process

perror library function

process

program

runtime library routine

source program

stack segment

strerror library function

sys_errlist variable

sys_nerr variable

system call

system mode

text segment

u area

user mode

user process

user space

whatis command