chapter 5-6

Which output redirection operator displays the output to the terminal and discards all error messages?

• &> file

• 2> &> file

• 2> /dev/null

• 1> /dev/null

Which output redirection operator sends output to a file and sends errors to another file?

• > file 2> file2

• > file 1> file2

• > file &2> file2

• | tee file

Which output redirection operator sends both output and errors to a file, creating it or overwriting its contents?

• | tee file

• 2 &> file

• 1 &> file

• &> file

Which output redirection operator sends both output and errors to the same file and preserves the contents of the file if it exists?

• > file 2> file2

• &> file

• >> file 2>&1

• >> file 1>&1

Which output redirection operator discards all messages that are normally sent to the terminal?

• > file 2> file2

• &> /dev/null

• &> /dev/null 2> file

• &> file

Which output redirection operator sends the output to both the screen and a file simultaneously?

• &> /dev/null

• > file 2> file2

• | tee file

• | file

What element represents the number that identifies the user at the most fundamental level?

• Primary user

• UID

• GID

• Username

Which element represents the program that provides the user's command line?

• Main shell

• Home directory

• Login shell

• Command name

Which element or file represents the location of local information about groups?

• Home directory

• /etc/passwd

• /etc/GID

• /etc/group

Which element or file represents the location of the user's personal files?

• Home directory

• Login shell

• /etc/passwd

• /etc/group