A.dig

B.ping

C.route

D.netstat

E.traceroute

A.groups

B.groupmod

C.groupedit

D.groupdel

A.It provides the server's identity information to connecting SSH clients.

B.It is root key by which all user SSH keys must be signed.

C.It must be sent by any SSH client in addition to a user key in order to identify the client's host.

D.It authenticates any user that logs into a remote machine from the key's host.

E.It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.

A.The number 10 to standard output.

B.The numbers 1 through 10 with one number per line.

C.The numbers 0 through 9 with one number per line.

D.A continuous stream of numbers increasing in increments of 10 until stopped.

A.It displays additional meta information from icon files ending in .ico.

B.It converts files from one character encoding to another.

C.It converts bitmap images from one format to another such as PNG to JPEG.

D.It verifies that the root directory tree complies to all conventions from the Filesystem Hierarchy Standard (FHS).

E.It changes the mode of an inode in the ext4 file system.