What is the command to delete the default gateway from the system IP routing table?

(Please specify the complete command with arguments)

What word will complete an if statement in bash such as the following:

if [-x "$file"]; then
echo $file
______

(Please provide the missing word only)

By default, which directories contents will be copied to a new user’s home directory when the account is created, passing the -m option to the useradd command?

What word is missing from the following SQL statement?

update tablename _____ fieldname=’value’ where id=909;

An administrator wants to determine the geometry of a particular window in X, so she issues the ________ -metric command and then clicks on the window.

Which file lists which users can execute commands using sudo?

(Provide the full path and filename)

After configuring printing on a Linux server, the administrator sends a test file to one of the printers and it fails to print. What command can be used to print the status of the printer’s queue?

(Provide only the command, without any options or parameters)

Which file specifies the user accounts can NOT submit jobs via at or batch?

(Provide the full path and filename)

The system’s timezone may be set by linking /etc/localtime to an appropriate file in which directory?

(Provide the full path to the directory, without any country information)

The ______ command is used to add a group to the system.

(Enter only the command, without path or options)