Updated: 2012-02-08 00:49 EST
Your first midterm test will be in class Friday February 10 in Week 5.
Send me video from the Rap. My wife wants to see me.
Guest lecturer Michael Anderson Friday February 3. (I’m in Waterloo.)
mkdir foo foo/bar ; rmdir foo ; rmdir foo/bar foo
root
super-userroot
super-user (use ls -l
to check)/root
- the home directory of the root
super-user account/etc
- configuration files, e.g. /etc/passwd
- password file/dev
- hardware device files (disks, terminals, etc.)/boot
- Linux kernel and start-up files/bin
- program executable files (also /usr/bin
)/sbin
- privileged and system program executable files (also /usr/sbin
)/lost+found
- for inodes orphaned after file system damage/proc
- fake directory full of system and executing process information
ls -l /proc/self/.
ls (-a -i -l -F -R)
cp (-r -a)
find and locate
- see Searching for and finding files by name, size, etc.cal 9 1752
grep (-i -v -w)
wc (-l -w -c)
nl
(same as "cat -n"
)head, tail
sort (-f -n -r)
uniq (-c)
hostname
$ alias ls="ls -abp --color=auto"
Author:
| Ian! D. Allen - idallen@idallen.ca - Ottawa, Ontario, Canada
| Home Page: http://idallen.com/ Contact Improv: http://contactimprov.ca/
| College professor (Free/Libre GNU+Linux) at: http://teaching.idallen.com/
| Defend digital freedom: http://eff.org/ and have fun: http://fools.ca/
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Author Ian! D. Allen