Common Unix Commands
-After logging in, you'll see the Unix command prompt(shell prompt) -WHAT IS SHELL? A program(the user interface of Unix.) Waits for you to type in a Unix command and then press the return key. Then the shell handles the execution of your command. -The first and the most important thing to know: -HOW TO GET HELP?? -->Using man pages Ex: man man, man grep, man -k 'image format' ... -Managing your files: -WHAT FILES DO YOU HAVE? -->Using ls Ex: ls, ls -l, ls -la, ls -R ... -HOW TO MAKE A DIRECTORY? -->Using mkdir -HOW TO MOVE AROUND? -->Using cd -HOW TO MAKE A COPY? -->Using cp -HOW TO DELETE A FILE? -->Using rm or rmdir(for directories) Ex: rm, rm -i, rm -r -HOW TO MOVE A FILE? -->Using mv -HOW TO CHANGE ACCESS? -->Using chmod -HOW TO LOCATE YOURSELF? -->Using pwd -SIMPLE OPERATIONS ON A FILE -->Using wc, sort, diff, ... -PIPES AND REDIRECTION -->Ex: ls -l>myfiles, ls -l|more