Quiz 1

CS23

20 pts., Feb. 12

1. What Unix command is used to print the current working directory?

   pwd

2. Will rmdir remove a non-empty directory?

   No, often rm -R directory is used for this.

3. What command is used to change file access permissions?

   chmod

4. Name a pager and briefly describe what it does.

   more, less. A pager displays text from a file or from standard input one screen at a time and also allows you to jump around in the text. For example, you can go from the end of the text back to the beginning.