Command  | Description  | 
|---|---|
cat file  | Display contents of file  | 
cd  | Change to home directory  | 
cd dir  | Change directory to dir  | 
cp file1 file2  | Copy file1 to file2  | 
cp -r dir1 dir2  | Copy dir1 to dir2; create dir2 if it does not exist  | 
dir  | Display contents of current directory  | 
less file  | Display the contents of file  | 
ls options  | Display contents of current directory  | 
mkdir dir  | Create a directory dir  | 
more file  | Display the contents of file  | 
mv file1 file2  | Rename file1 to file2  | 
mv file dir  | Move file to directory dir  | 
pwd  | Display current directory  | 
rmdir dir  | Remove a directory dir (only if empty)  |