Linux Cookbook 3

Files And Dirs
1. touch ---create a new, empty file
            vi filename is also ok
2. mkdir ---make directory
            mkdir -p ---to make all directories in the path
3. space in filename
            use '' or "" or \
            ls 'top secret'
            ls "top secret"
            ls top\ secret
4. cd ---change the current working dir
            1)cd ---To make your home directory the current working directory                       
            2)cd - ---Changing to the Last Directory You Visited
            3)pwd ---Getting the Name of the Current Directory
5. ls ---Listing Directories
            ls --color ---Listing Directories in Color
                    Some of the default color settings include displaying directory names in blue,
                    text files in white, executable files in green, and links in turquoise.
                    Many systems are set up to use this flag by default, so that using ls
          &nbs