(1) Display the full pathname of your current working directory.
(2) Create a directory named "udir" in your home directory.
(3) Make sure the directory "udir" has read, write, and execute permissions for the owner.
(4) List the permissions for the "udir" directory.
(5) Make "udir" your current directory.
(6) Display the full pathname of your current working directory.
(7) Create two empty files, named "file1" and "file2".
(8) Display the permissions for "file1" and "file2".
(9) Move to the immediate parent directory of the "udir" directory.

Now answer theses queries: Can you make "udir" your current directory (i. e. cd to it)?