What is the difference between the i and a commands of the vi editor?

What is true regarding the command sendmail?

What is the default action of the split command on an input file?

Which file inside the CUPS configuration directory contains the definition of the printers?

What is the default nice level when a process is started using the nice command?

What is the purpose of the command mailq?

Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?

Which of the following are syslog facilities? (Choose TWO correct answers.)

Which of the following characters can be combined with a separator string in order to read from the current
input source until the separator string, which is on a separate line and without any trailing spaces, is reached?

Which of the following tasks can be accomplished using the command date? (Choose TWO correct answers.)