Difference between revisions of "Advanced Problems"

Revision as of 13:23, 23 February 2008

grep, less, wc, cat, multiple files, lsof, xargs, find, sort, awk

ifconfig, ping, wget, traceroute

write, touch

can we set up a xen instance to let students have root?

@@ Line 1: / Line 1: @@
+== Navigating ==
 [[CLI Navigating]]
 == Variables ==
-=== Assignment and Dereferencing ===
+[[CLI Variables]]
-To assign a value to an environment variable you simply type the variable name, '=', then the value. For example,
- FOO=Rob
- BAR=Love
-To get the value of the variable (i.e. dereference) you place a '$' before the variable name.
- #echo $FOO
- #Rob
- #echo $BAR
- #Love
-=== Commands ===
- env  = Shows you the environment variables that are currently defined.
- echo = Displays a line of text.
-=== Quiz ===
-# What is the value of the "HOME" environment variable?
-# How would you create an environment variable named GEEK that's contents are "FREE GEEK is the best!"?