CS208 Introduction to Computer Systems
Friday, 12 May 2023

Sample programs to help with your shell assignment, phase 1
- args.c
- exectest_with_args.c
- redirect.c

+ News story & assembly language

+ Getting started on the shell assignment
- Grab shell208.c off the Samples page
- Assume the user always types a one-word command
    and do the fork/execlp thing with those commands
- One command (no |, >, <), but with command-line arguments
    args.c, exectest_with_args.c

+ fork, exec, wait
- The OS's perspective
- execlp vs. execvp

+ The file descriptor table
- open, read, write, close
- stdin, stdout, stderr
- dup2
- redirect.c