实验三：实现简单的shell.pdf
接口范例程序\execl.c
............\execle.c
............\execlp.c
............\execve.c
............\exit.c
............\fork.c
............\myshell.c
............\process_exp.c
............\signal_exp.c
............\waitpid.c
fork_exp.c
Linux_C编程接口手册.doc
接口范例程序