One of the jobs of the kernel is to:
  • Manage the systems resources


Unix is:
  • An operating system
  • A trademark


Linux is written in:
  • C


Source code refers to:
  • A human readable version of computer software


What is the standard option to provide a command line program to view its documentation?
  • --help

The command man -k is the same as the command apropos.
  • True


The whatis command is the same as man -w.
  • False


The directory where additional documentation for software packages most likely can be found is:
  • /usr/share/doc


Hidden files are files that begin with what character?
  • A period (.)


What option for the ls command will display all files, including hidden files?
  • -a


The top-level directory on a Linux system is represented as:
  • /


Is the following path absolute or relative?
/etc/ppp
  • Absolute


Is the following path absolute or relative?
sysadmin/Documents
  • Relative


In general, for which of the following would you want to use lossless compression?
  • A log file


Lossy compression:
  • Usually results better compression than lossless
  • Sacrifices some quality
  • Is often used with images


A successful command will print output to STDOUT.
  • True


Which of the following commands will direct error messages to the file, error.log?
  • ls /root 2> error.log

Channel 2 is:
  • STDERR


The echo command:
  • Is used to output text to the console


A file begins with #!/bin/csh. This means:
  • Running the script will invoke /bin/csh to interpret the rest of the file


Most of nanos commands take the form of:
  • Control and another character


What does this shell script do?
FOO=/tmp/foo
if [ ! d $FOO ]; then
    mkdir $FOO
fi
  • Creates /tmp/foo if it does not exist


Which of the following are valid CPU types for Intel-based platforms?
  • 32 bit
  • 64 bit


64 bit platforms can access more memory than 32 bit platforms.
  • True


Which of the following are package management commands for distributions with software distributed in files ending in .deb?
  • dpkg
  • aptitude
  • apt-get


A network packet contains ...
  • ...the IP address of the destination machine.
  • ...the IP address of the source machine.


Only servers have hostnames.
  • False


Which files contain user account information?
  • /etc/passwd
  • /etc/shadow

Which user can view the /etc/shadow file?
  • The root user

Which command will display the UID, GID and groups your current user belongs to?
  • id

Which command will display the users that are currently logged in to the system?
  • who

Which of the following options for the useradd command allows root to specify the UID to be associated with the account?
  • -u
Which of the following options for the useradd command allows root to specify supplementary groups the user will be a member of?
  • -G
On a system that does not use UPG, the useradd command will also create a user group. For example, user bob, group bob.
  • False
Which of the following commands sets "other" permissions on file to r-x?
  • chmod 775 file
Only one set (user, group, other) of permission can be changed at once using the symbolic method.
  • False
Which of the following are methods for setting permissions using the chmod command?
  • octal
  • symbolic
The chown command can be used to change the owner and group of a file.
  • True
The Samba application is a:
  • File Server
Which of the following are examples of desktop software?
  • Web browser
  • Music player
If you wanted to set up a blog, which software would be most helpful?
  • WordPress
Which of the following pieces of software deal with file sharing?
  • Samba
  • Netatalk
  • NFS
Which of the following is true about graphical mode?
  • You access this mode by logging into a graphical display
  • You have menus and tools to help you find what you are looking for
  • After login, you are provided with a desktop
In graphical mode, you can get to a shell by running which applications?
  • terminal
  • xterm
Select all the applications that provide access to the Command Line Interface (CLI)?
  • Terminal window
  • Virtual Terminal
Which environment variable contains a list of directories that is searched for commands to execute?
  • PATH
Select the command that can report the location of a command:
  • which
The /tmp directory is a temporary directory and will not exist on a system at all times.
  • False
The "sticky bit" permission...
  • ...prevents others from removing files they don't own from a common directory.
The "setuid" permission...
  • ...allows a command to be run as the file owner.