a = add files in the give path
l = list all directories
w = write text after d to the given file
r = to delete a file in the given path
o = to read a file, output on stdout

To add files-
    "-a /a/d/c", "-f example"
    where /a/d/c will be added in file system example

To write Text to the file-
    "-w /a/d/c", "-f example", "-d Hello_World!!!"

To list all directories-
    "-l", "-f example"

To delete a file-
    "-r /a/b/c", "-f example"

To read a file-
    "-o /a/b/c", "-f example"

Maximum file length name <= 29