A.hwclock --systohc --localtime

B.ntpdate pool.ntp.org

C.date -d '+ 1 day'

D.time hwclock

A.ssh -o Port=2222 example.com

B.ssh -o GatewayPort=2222 example.com

C.ssh --port 2222 example.com

D.ssh example.com:2222

E.ssh -p 2222 example.com

A.Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.

B.When configured correctly ~/.forward can be used to forward each incoming mail to one or more other recipients.

C.After editing ~/.forward the user must run newaliasesto make the mail server aware of the changes.

D.By default, only ~/.forward files of users in the group mailqare processed while all other user's ~/.forwardfiles are ignored.

E.As ~/.forward is owned by the MTA and not writable by the user, it must be edited using the editaliasescommand.

A.2001:db8:3241::1

B.2001::db8:4581::1

C.2001%db8%9990%%1

D.2001.db8.819f..1

E.2001:db8:0g41::1