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CIS126DA UNIX Final Review The first part comes from the solaris based part of theUnixcourse. All of this is stuff that has been covered in class, and is a good overall review list for the final. The vast majority of questions will come from these topics. HOWEVER, ANYTHING covered in class is fair game. Learning about UNIX (lecture topic pages, man, man -k etc) File And Directory Organization /etc/ which includes httpd/conf/ httpd/logs/ rc.d/...... rc.d/init.d/ skel/ group gshadow passwd shadow printcap resolv.conf xinetd.d (for vsftp, imap, pop) modules.conf syslog.conf logrotate.conf services hosts.deny hosts.allow inittab fstab profile & bashrc sudoers /var/log /var/www /var/spool /mnt /proc /usr/src/linux/ /dev /bin /sbin /home /usr /opt /lib / . .. ~ Ownership, priveleges and groups (chgrp, chown, chmod, groupadd) Printer Control Diskspace Management Job Control (ps -aux or -ef, kill, jobs, ^z, fg, bg, &) Piping and redirection ( | and > vs. >> ) Switching now to the administration part of the course on the Linux box. Installation Issues (Week 1) Know you hardware, IRQ, DMA, IO monitor-refresh rate, it will limit your display, not the video board partitioning with fdisk winmodems-why bad? Basic System Amdin (week 3) start, stop services, add/remove users, inetd.conf, inittab, sudo, su Printer and Cron (week 4) crontab, printer commands, how to use tar, rpm Managing file systems (mount, fstab, rpm options, quota, df, du, fdisk, mke2fs, fsck)Week 5 Networking (Week 6) Review ALL Security (week 7) scanners, scanner detectors, what services should be shut down. Good passwords, social engineering. Kernel Recompiling (week 8) Why do it? What are modules? Log Management (week 9) Review ALL Scripting (week 10 and handouts)(you will be asked questions about a simple script on the exam) #!/bin/bash (what does that line do?) #comments permissions, whose does it run under, etc. if then elif else fi case while select $(( )) date +%k $0 through $9 $? -ne -eq -lt -le -gt -ge -o and -a -n and -z variables (how to assign, how to use) ` ` (backquotes) echo read function (where do they go? function arguments $1 $2...) awk -F: '{print $1}' /etc/passwd (or skip the -F: and use a $3 etc.)