Linux+ LX0-103 Quiz A

Which of the following commands prints a list of usernames (first column) and their primary group (fourth

column) from the /etc/passwd file?

• fmt -f 1,4 /etc/passwd

• split -c 1,4 /etc/passwd

• cut -d : -f 1,4 /etc/passwd

• paste -f 1,4 /etc/passwd

Which of the following commands is used to change options and positional parameters for a running Bash?

• history

• set

• bashconf

• envsetup

Regarding the command:

nice -5 /usr/bin/prog

Which of the following statements is correct?

• /usr/bin/prog is executed with a nice level of -5.

• /usr/bin/prog is executed with a nice level of 5.

• /usr/bin/prog is executed with a priority of -5.

• /usr/bin/prog is executed with a priority of 5.

What of the following statements are true regarding /dev/ when using udev? (Choose TWO.)

• Entries for all possible devices get created on boot even if those devices are not connected.

• Additional rules for udev can be created by adding them to /etc/udev/rules.d/.

• When using udev, it is not possible to create block or character devices in /dev/ using mknod.

• The /dev/ directory is a filesystem of type tmpfs and is mounted by udev during system startup.

• The content of /dev/ is stored in /etc/udev/dev and is restored during system startup.

How many fields are in a syntactically correct line of /etc/fstab?

• 3

• 4

• 5

• 6

• 7

Which of the following is the device file name for the second partition on the only SCSI drive?

• /dev/hda1

• /dev/sda2

• /dev/sd0a2

• /dev/sd1p2

Which of the following file permissions belong to a symbolic link?

• -rwxrwxrwx

• +rwxrwxrwx

• lrwxrwxrwx

• srwxrwxrwx

Which of the following commands can be used to display the inode number of a given file?

• inode

• ls

• ln

• cp

From a Bash shell, which of the following commands directly executes the instruction from the file /usr/local/

bin/runme.sh without starting a subshell? (Select TWO.)

• source /usr/local/bin/runme.sh

• . /usr/local/bin/runme.sh

• /bin/bash /usr/local/bin/runme.sh

• /usr/local/bin/runme.sh

• run /usr/local/bin/runme.sh

Which of the following commands makes /bin/foo executable by everyone but writable only by its owner?

• chmod u=rwx,go=rx /bin/foo

• chmod o+rwx,a+rx /bin/foo

• chmod 577 /bin/foo

• chmod 775 /bin/foo