A..history_bash

B..history

C..bashrc_history

D..bash_history

E..bash_histfile

A.It mounts all user mountable filesystems for the current user.

B.It mounts all available filesystems onto the current directory.

C.It mounts all filesystems listed in /etc/fstab which have the option auto set.

D.It mounts all filesystems listed in /etc/fstab which have the option noauto set.

E.It shows all mounted filesystems.

A.ps

B.netstat

C.nslookup

D.ifconfig

E.traceroute

A.remote

B.advanced

C.postmaster

D.local7

E.mail