A.The command's output is redirected to /dev/null.

B.The command is run in background of the current shell.

C.The command's output is executed by the shell.

D.The command is run as a direct child of the initprocess.

E.The command's input is read from /dev/null.

A.grep -E ':08:[09]+:[09]+' loga.log

B.grep -E ':08:[00]+' loga.log

C.grep -E loga.log ':08:[0-9]+:[0-9]+'

D.grep loga.log ':08:[0-9]:[0-9]'

E.grep -E ':08:[0-9]+:[0-9]+' loga.log

A.-rw-------1 11531 Jun 5 22:45 /etc/passwd

B.-rw-r--r--1 11531 Jun 5 22:45 /etc/passwd

C.-rw-------1 rootroot531 Jun 5 22:45 /etc/passwd

D.-rw-r--r--1 rootroot531 Jun 5 22:45 /etc/passwd