Here are some basic commands available at the Linux command prompt.
You can get more detailed information on most of these commands by typing
"man" followed by the name of the command.

cd <dirname> - change to a directory; with no arguments, change to the home directory

bc - high-precision calculator

df - see global disk usage

du - see disk usage in a given directory (and its subdirectories)

echo { items } - print items on standard output

grep <expression> { filename } - find strings matching <expression> in a text file

history - show recent history of commands

javac <classname.java> - compile a Java source file into a class file

java <classname> - run a Java program (searches in the current CLASSPATH)

less <filename> - page a file

ls - list files in current directory

man <command> - show a manual for the given command

more <filename> - page a file

mkdir <dirname> - make a directory

pico <filename> - text editor

screen - open multiple termianal screens

setenv <VARIABLENAME> <value> - set an environment variable equal to a value

sort [ filename ] - sort a text file

wget <URL> - get a file from some web page into the current directory

<command> > <filename> - standard output of command goes to filename

<command> >& <filename> - standard output and standard error go to filename (csh only)

<command1> | <command2> - standard output of command1 becomes standard input of command2

`<command>` - make output of a command into a string for input to something else

set <variable-name> = <value> - assign a value to a shell variable

foreach <variable-name> ( { items } ) - repeat commands for each item in the list
	{ commands }
end