You are experimenting with a binary in /tmp/foo.d that expects its configuration file at/etc/foo.conf. You don’t want to save it there, but use a symbolic link to /tmp/foo.d/foo.conf instead. Which command would accomplish that?

What is the highest numbered TCP /IP port?

You need to push the CUPS printer HPLaserjet4, and you want to cancel all print jobs with a message, "hello". Which command will do this?

Considering that a 2.4 series Linux kernel is being used, which kernel module must be loaded to enable CD burning with an IDE CD writer?

On a system using shadowed passwords, the correct permissions for /etc/passwd are ___ and the correct permissions for /etc/shadow are ___.

You are the system administrator for a consulting firm where several people use Linux as their desktop operating system. One of your users has installed a commercial publishing program that works under X on a variety of UNIX and Linux platforms. The user made a series of configuration changes regarding the initial window size, location and color.
Now, he is having difficulty undoing these changes and is asking for your help. In which file would you think you would most likely find the configuration settings you are seeking to change?