OS2021_Project1.Shell

yeeshell.c

main function and function definition

yeeshell.h

function declaration and macro definition

1. Deployment

Pull from my shuishan git.

git clone root@gitea.shuishan.net.cn:10195501441/OS2021_Project1.Shell.git

In the MINIX3 environment, use clang to compile the program.

clang yeeshell.c -o yeeshell

Run yeeshell.

./yeeshell

2. Test Case

​ (1) cd /your/path

​ (2) ls -a -l

​ (3) ls -a -l > result.txt

​ (4) vi result.txt

​ (5) grep a < result.txt

​ (6) ls -a -l | grep a

​ (7) vi result.txt &

​ This command can not be executed in the MINIX3 environment. It prints the following error information.

​ (8) mytop

​ (9) history n

​ (10) exit

​