1. What MS-DOS command is used to shift to a different working directory? 2. What MS-DOS command is used to remove or delete a directory? 3. What MS-DOS command can be used to set the attribute of hello.txt file to read-only? 4. What is the function of find command? 5. What MS-DOS command is used to learn your computer's physical (MAC) address? 6. What is the IP addr of www.yahoo.com? 7. What command is used to view the current file type association for .avi files? 8. What MS-DOS command can be used to modify the content of a text file called file.txt? 9. What command is used to switch to the hard disk partition C? fdisk 10. What command is used to list all files including the hidden files under the current working directory