What output will the following command sequence produce?
What output will the following command sequence produce?
echo ‘1 2 3 4 5 6’ | while read a b c; do
echo result: $c $b $a;
done
Which command allows you to make a shell variable visib…
Which command allows you to make a shell variable visible to subshells?
Which of the following is the best way to list all defi…
Which of the following is the best way to list all defined shell variables?
Which of the following configuration files should be mo…
Which of the following configuration files should be modified to set default shell variables for all users?
Which of the following SQL statements will select the f…
Which of the following SQL statements will select the fields name and address from the contacts table?
What output will the following command produce?
What output will the following command produce?
seq 1 5 20
Which command will print the exit value of the previous…
Which command will print the exit value of the previous command to the screen in bash?
what main file must be created or edited for xinetd?
The xinetd service will be used instead of inetd. In order to create a similar configuration as inetd, what main file must be created or edited for xinetd? (Please
specify the full path)
Which file contains a set of services and permitted hos…
Which file contains a set of services and permitted hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd?
(Please enter the full path)
which users can execute commands using sudo?
Which file lists which users can execute commands using sudo? (Provide the full path and filename)