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

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

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

D.The number 10 to standard output.

A.16
11
16

B.15
15

C.5
15
20

D.123
4

E.2345

A.It is a command-line based tool for reading and writing emails.

B.It is a multi-user mailing list manager.

C.It is a proprietary tool contained only in the qmail MTA.

D.It fetches new emails from a remote server using POP3 or IMAP.

E.It queries the mail queue of the local MTA.

A.30 0 * * 0 myscript

B.30 * * * 6 myscript

C.0 * * * 30 myscript

D.0 0-23 * * 30 myscript

E.30 0-23 * * 0 myscript

A.hwclock --systohc --localtime

B.date -d '+ 1 day'

C.time hwclock

D.ntpdate pool.ntp.org