Operating Systems 2026F Lecture 8
Readings
The following readings are supplemental but may help you understand what has been covered in class:
UNIX permissions
- Operating System Concepts, Section 13.4.2, Access control (p. 552-554)
setuid
- Operating System Concepts, Section 17.4.2, Example: UNIX (p. 674-675)
Files and directories
- Operating Systems: Three Easy Pieces, Chapter 39: Interlude: Files and Directories
Topics
- Introduction to networking
- UNIX accounts
- password security
- Public key cryptography
- ssh configuration and usage