| To do this | Type this |
|---|---|
| Cancel a command | Ctrl+U, Ctrl+X, or @ |
| Change the working directory to /usr | cd/ usr |
| Change the working directory back to your home directory | cd |
| Copy a file | cp oldfile newfile |
| Copy a file to another directory | cp oldfile dirname |
| Copy a bunch of files to another directory | cp budget* dirname |
| Copy all the files in this directory and in all its subdirectories | cp -r * newdir |
| Erase a file | rm junkfile |
| Rename a file | mv oldname newname |
| Move a file to another directory | mv oldfile dirname |
| List filenames | ls |
| List filenames with sizes and dates | ls -l |
| List hidden files too | ls -al |
| List files and pause when screen is full | ls | more |
| Look at a text file | cat letter |
| Look at a long text file | more letter |
| Make a new link (name) for a file | ln oldname newname |
| Make new links (names) for files in a directory | ln dirname/* newdir |
| Combine two files | cat file1 file2 > newfile |
| Compare two files | diff file1 file2 |
| Look at the manual page for the ls command | man ls |
| Change your password | passwd |