True or False

1. The passwd file contains most of the information the system needs to know about a user.

2. An inode is a data structure stored on disk that defines a file's existence and is identified by the file name

3. You can protect confidentiality of files by encrypting their contents.

4. By default, the file pubring.pgp contains the private key ring and secring.pgp contains the public key ring.

5. The chmod command is used to modify the program mode from foreground to background execution.

6. When you move a file within a filesystem, you change the filname portion of the directory entry associated with the inode that describes the file

7. The Pretty Good Privacy (PGP) system does not use the public-key Cryptography.

8.Only a super-user can read an encrypted file.