Extra UNIX Commands

ls

list files and directories

ls -a

list all files and directories, including ones that are hidden

ls -l

list all files and information about those files

cd ..

change to parent directory

cd -

returns you to whatever directory you were in last

grep word file1

search for instances of word in file1

diff file1 file2

Shows the line by line differences between file1 and file2

mkdir directory

make a directory

cd directory

change to named directory

cd

change to home directory

pwd

display the path of the current directory

cp file1 file2

copy file1 and call it file2

mv file1 file2

move or rename file1 to file2

rm file1

remove/ delete file1

rmdir directory

remove a directory

clear

clears the screen

more file1

display file1 a page at a time

cat file1

displays the entire contents of file1 at once

gcc MyProgram.c

command to complie MyProgram.c

./a.out

command to run a C program after compiling