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CORRECT - See section 1.3.1
One of the jobs of the kernel is to:
Manage the systems resources
CORRECT - See section 1.3
Unix is
An operating system
A trademark
CORRECT - See section 1.3.3
Source code refers to:
Human readable version of computer software
CORRECT - See section 5.3.7
The command man -k is the same as the command apropos.
True
CORRECT - See section 5.3.6.3
The whatis command is the same as man -w.
False
CORRECT - See section 6.4.2
Hidden files are files that begin with what character?
A period (.)
CORRECT - See section 6.3
The top-level directory on a Linux system is represented as:
/
WRONG - See section 6.3.5
Is the following path absolute or relative?
/etc/ppp
relative
CORRECT - See section 7.1
Compression on a file works by:
Removing redundant information
CORRECT - See section 7.3
Lossy compression:
Usually results better compression than lossless
Is often used with images
Sacrifices some quality
CORRECT - See section 8.4.3
Error messages generated by commands are sent where by default?
STDERR
CORRECT - See section 8.4.2
A successful command will print output to STDOUT.
True
CORRECT - See section 8.4.5
Which of the following commands will direct error messages to the file error.log?
ls /root 2> error.log
ls /root &> error.log
CORRECT - See section 8.3
A pipe allows you to...
...send the output of one command to another
CORRECT - See section 9.3
A file begins with #!/bin/csh. This means:
Running the script will invoke /bin/csh to interpret the rest of the file
CORRECT - See section 9.5.2
What does this shell script do?
FOO=/tmp/foo
if [ ! d $FOO ]; then
mkdir $FOO
fi
Creates /tmp/foo if it does not exist
CORRECT - See section 10.3
Which of the following are valid CPU types for Intel-based platforms?
32 bit
64 bit
CORRECT - See section 10.3
64 bit platforms can access more memory than 32 bit platforms.
True
CORRECT - See section 11.3.2
What does the acronym RPM mean?
RPM Package Management
CORRECT - See section 11.10
When you execute the dmesg command, the system displays messages that are generated by the kernel.
True
WRONG - See section 11.3.2
Which of the following are package management commands for distributions with software distributed in files ending in ".rpm"?
rpm
CORRECT - See section 12.5
A network packet contains ...
...the IP address of the destination machine
...the IP address of the source machine
CORRECT - See section 13.3
Which files contain user account information?
/etc/passwd
/etc/shadow
CORRECT - See section 13.3.2
Which user can view the /etc/shadow file?
The root user
CORRECT - See section 13.3.4
Which command will display the UID, GID and groups your current user belongs to?
id
CORRECT - See section 13.1
Each user is a member of their own private group, of which they are the only member.
True
CORRECT - See section 13.8
Which command will display the users that are currently logged in to the system?
who
WRONG - See section 14.8.1
UIDs 1-500 are usually reserved for what kind of users?
Log-in (human) users
CORRECT - See section 14.13
If a user is deleted, the files and directories that the user owned...
...will show a UID as the owner, but not user name
CORRECT - See section 14.8.1
Which of the following options for the useradd command allows root to specify the UID to be associated with the account?
-u
CORRECT - See section 14.8.1
Which of the following options for the useradd command allows root to specify supplementary groups the user will be a member of?
-G
CORRECT - See section 14.8.1
On a system that does not use UPG, the useradd command will also create a user group. For example, user "bob", group "bob".
False
CORRECT - See section 15.7.2
Which of the following commands set "other" permissions on "file" to r-x?
chmod o=rx file
CORRECT - See section 15.7.3
Which of the following commands sets "other" permissions on "file" to r-x?
chmod 775 file
CORRECT - See section 15.7.2
Only one set (user, group, other) of permission can be changed at once using the symbolic method.
False
CORRECT - See section 15.7.2
Which of the following are methods for setting permissions using the chmod command?
octal
symbolic
CORRECT - See section 15.6
The chown command can be used to change the owner and group of a file.
True
CORRECT - See section 2.3.1
The Samba application is a:
File Server
CORRECT - See section 2.3
Which of the following are examples of desktop software?
Web browser
Music player
CORRECT - See section 2.3.1
If you wanted to set up a blog, which software would be most helpful?
WordPress
CORRECT - See section 2.3.1
Which of the following pieces of software deal with file sharing?
Samba
Netatalk
NFS
CORRECT - See section 2.3.2
If you wanted to create and print an invoice, what could you use?
LibreOffice
WRONG - See section 3.3
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 command prompt
CORRECT - See section 3.3
A server is likely to be running in graphical mode.
False
CORRECT - See section 3.4
In graphical mode, you can get to a shell by running which applications?
terminal
xterm
WRONG - See section 3.5
Which of the following are traits of a multiuser operating system?
Many users can log in simultaneously with a unique account
Resources are shared between users
An administrative user gets a dedicated CPU
CORRECT - See section 4.7
Which environment variable contains a list of directories that is searched for commands to execute?
PATH
CORRECT - See section 4.11.2
A pair of single quotes ( ' ) will prevent the shell from interpreting any metacharacter.
True
CORRECT - See section 16.9
The /var directory has files that change over time.
True
CORRECT - See section 16.7
The "sticky bit" permission...
prevents others from removing files they don't own from a common directory
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