Commmands and Brief Descriptions:

pine

Start up the mail program called "pine". (Another mail program is "mm")

pico

Start up the text editor called "pico". (Another editor is "emacs")

ls -l

List the names of the files in your current directory. The files are listed alphabetically. The "-l" switch means list in long format. This gives permission mode, owner, size in bytes, and time of last modification for each file.

ls -l *.dat

List all the files with the file extension"dat"

ls -l fit*.sps

List all the files whose extension is "sps" and whose name begins with "fit".

ls -t

List all the files by date, most recentfirst.

more

A useful program to help you browse through a big text file. It moves forward by page (space) or line (return). "b" moves you backwards. "q"stops the output.

  more fitness.lst

clean

Clean up any temporary or garbage files. Remember this when you start getting "over quota" messages.

rm

Delete (remove) a file. Be careful about using wild cards in this command, e.g.,

  rm *.dat

will remove all files with the extension "dat".

cp

Make a copy of a file. You must give the both the old name and the new name.

  cp june.dat juneold1.dat
  

mv

Change (move) the name of a file. Same syntax as for copying.

mkdir

Make a subdirectory, e.g.,

  mkdir hwk
  

rmdir

remove a subdirectory, e.g.,

  rmdir hwk
  

cd

Connect to another directory, e.g.,

cd hwk

Connect to the subdirectory "hwk" directly below the current directory.

cd ..

Connect to the next higher directoryin the hierarchy.

cd ~cs3101-2

Connect to a class library.

cd /scratch

Connect to the public temp directory.

cd /eds/datasets

Connect to the EDS datasets directory.

pwd

What directory are you in?

lookup

Look up people in the on-line directory, e.g.,

  lookup zayac
  

This example searches by name. The order can be First Last, Last, First, or wild card combinations. Some examples:

        lookup zayac, sue
        lookup zayac, s*
        

You can also look-up a person's name via an email id.

me

Account information on you and your directory: type of id, expiration date, etc.

quota -v

Gives an accounting of disk space limits and usage for your id.

man <subject>

Display the man(ual) page for the given subject. If you don't know the exact subject name, use the -k option to see a list of the relevant commands and topics.

  man -k statistics
  

passwd

Change your password.

exit

Exit from the cunix cluster machines. Always remember to do this.