Final Exam Review
Final exam format
Things you should know for the final exam
- The final exam is comprehensive
- The final exam will have three parts
- In the first part, you will be asked "general knowledge" questions
- In the second part, you will be asked questions about a hypothetical system for which you have some config files
- In the third part, you will be asked questions about a script
- Unix basics
- Two camps
- Startup methodologies
- /sbin/init.d for System V
- /etc/rc.d/init.d for Redhat Linux
- /etc/inittab for System V
- Run levels for System V
- rc scripts for BSD
- Shutdown vs. poweroff
- run shutdown, don't power off
- filesystem problems if sync() not run
- Bootstrapping
- What is it?
- What's the basic idea of how Unix is booted?
- Permissions
- root's UID
- things only root can do
- groups
- setuid
- setgid
- directories
- r allows ls
- w allows create, remove files
- x allows access to files
- Filesystem
- hard link
- soft link
- device file (major number, minor number)
- Processes
- Process creation
- init process
- nice
- zombies
- signals
- Users
- passwd file format
- home directory
- login shell
- startup files
- ownership, permissions by UID, not name
- Scripting
- syntax
- be able to read a script and tell what it does
- Cron
- crontab command
- crontab format
- at
- cron gets no environmant, at does
- Syslog
- syslog.conf format
- facilities, levels
- all lines that match get used
- Networking
- TCP/IP layers
- Physical, link, network, transport, application
- IP addresses
- Network part/host part
- IPv6
- Ethernet configuration (bus vs. ring)
- tokenless, "polite dinner conversation," collisions
- DNS
- Types of records (SOA, A, MX, CNAME)
- server/client protocol
- resolv.conf syntax
- domains
- security
- security vs. convenience
- password issues
- no password
- weak password
- shadow passwords
Part of the CptS 302 Website
Instructor:
Geoff Allen
,
geoff@wsu.edu
Source Modified: Sun Dec 9 20:23:10 2001
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