A.chmod o+rwx,a+rx /bin/foo

B.chmod 775 /bin/foo

C.chmod u=rwx,go=rx /bin/foo

D.chmod 577 /bin/foo

A.EXECPATH

B.BASHEXEC

C.PATH

D.PATHRC

E.BASHRC

A.nslookup

B.netstat

C.ps

D.ifconfig

E.traceroute

A.It can be used by any user to set the user clock independently of the system clock.

B.It sends the local system time to one or many remote NTP time servers for redistribution.

C.It is the primary management command for the NTP time server.

D.It queries one or more NTP time servers and adjusts the system time accordingly.

E.It updates the local system's date (i.e. day, month and year) but not the time (i.e. hours, minutes, seconds).

A.When the shell establishes the redirection it overwrites the target file before the redirected command starts and opens it for reading.

B.Redirection for shell commands do not work using the > character. It only works using the | character instead.

C.The file order is incorrect. The destination file must be mentioned before the command to ensure redirection.

D.The command sed did not match anything in that file therefore the output is empty.