UNIX COMMANDS

cat filename print filename on screen

cd newdirectory change current directory to newdirectory

cp oldfile newfile copy oldfile to newfile

g++ filename(s) To compile C++ program.

ls list files in current directory

ls a* list files in current directory beginning with the letter 'a'.

more filename list filename on screen one page at a time. hit spacebar to advance

less filename list filename on screen one page at a time. Hit spacebar to advance to next page. Use ctrl-u to go to previous page. Type 'q' to exit.

lpr filename Print filename.

man command Brings up manual pages describing command.

mkdir directory name Make a new directory.

mv oldfile newfile rename oldfile as newfile

pwd what is current directory where you are.

rm filename Remove filename.

rmdir filename Remove a directory that is empty.

vi filename Edit filename using vi editor.

ZZ to exit and save what you have done.

:q! to exit and not save what you have done.

:w to write the current file to disk without exiting vi.

i or a to type words or text. Hit 'esc' key to stop typing words into the document.

h moves the cursor backwards.

k moves the cursor up.

l moves the cursor to the right.

j moves the cursor down.

b moves the cursor back by one word.

w moves the cursor forward by one word.

dw deletes a word.

x deletes a character.

o starts a new line for you to type.

dd deletes an entire line of text.

G moves the cursor to the end of the file.

1G moves the cursor to the beginning of the file.

0 moves the cursor to the beginning of the line.

$ moves the cursor to the end of the line.

/whatever searches for string ``whatever'' in the file and moves the cursor there.

control-u moves the cursor up one screenful.

control-d moves the cursor down one screenful.