Which command is used to undelete delete a bunch of files with extension doc that you have just deleted A. Undelete B. Undelete *.doc C. Undelete/all D. All of the above

The correct answer is: B. Undelete *.doc

The undelete command is used to undelete deleted files. The *.doc wildcard character matches all files with the extension .doc. Therefore, the command undelete *.doc will undelete all files with the extension .doc that have been deleted.

The command undelete can also be used to undelete specific files. For example, the command undelete myfile.doc will undelete the file myfile.doc.

The command undelete/all will undelete all deleted files. However, this command should be used with caution, as it may undelete files that you do not want to undelete.

Here is a brief explanation of each option:

• A. Undelete
  The undelete command is used to undelete deleted files. It can be used to undelete specific files or all deleted files.

• B. Undelete *.doc
  The undelete *.doc command will undelete all files with the extension .doc that have been deleted.

• C. Undelete/all
  The undelete/all command will undelete all deleted files. However, this command should be used with caution, as it may undelete files that you do not want to undelete.