DUE & DEMO: 2-2-2023
This LAB assignment is the Programming Project: sh Simulator in Chapter 3.11
Purpose: Understand how Unix/Linux sh works by using fork/exec/wait/pipe.
String operations
REQUIREMENTS
Write a C program, mysh, which simulates the Unix sh for command processing.
Read Chapter3-11 for details
============= HELP ======================
1. Download samples/LAB2/lab2base.c It helps you to get started.
2. lab2base.c assumes only one directory: ./ for commands
In your working directory (where you compile-run lab2base.c), enter
ln -s /bin/ls myls
ln -s /bin/cat mycat
so that your CWD has myls and mycat
When run lab2base.c, enter commands myls OR mycat filename
3. Modify lab2base.c to meet requirements of the assignment
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SAMPLE SOLUTION:
~samples/LAB2/lab2.bin (down load and run under Linux)