Creating a Nice Work Environment
You might wonder why you would spend time learning about commands and utilities that don??™t do any
useful work. For me, it??™s the same reason for having carpeting on the floor or a remote for the television;
it??™s all about comfort. For example, you??™ll find that the display buffer eventually becomes full of extraneous
data you don??™t really want to see any longer. Sure, you could ignore the garbage on your screen,
but it??™s a lot better to get rid of it so you can work in comfort. Using the CLS command clears the display
buffer for you so you can continue working efficiently.
Users of your batch file and script applications want a nice working environment too. You??™ll often use
these commands and utilities in your batch files to provide special effects. The CLS command clears the
display so the user viewing the output of the batch file doesn??™t become confused.
WORKING AT THE COMMAND PROMPT 129
Managing Usernames and Passwords with CmdKey
The CmdKey utility helps you manage username and passwords. Using this utility, you can display,
create, and delete credentials as needed. However, this utility only works with the current
user.
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