Which of the following commands can be used to determine the time of the last login of a given user?
Showlog
Recent
history
last
Which of the following commands is used to lookup the current IP address of a system?
Ifconfig
Sysinfo | grep ipaddress
Ipconfig
Showip
Where is the BIOS located?
Motherboard
Hard drive
LCD Monitor
RAM
Which permissions should be given to a file that needs to be opened and edited by the file's owner and opened read-only by the file's group?
0640
0444
0466
0540
You have a program called /user/bin/foo. You wish to create a symbolic link, /home/user/bin/foo, that points to it. Which command will do this task?
Ln -sys /home/user/foo /user/bin/foo
Ln -s /user/bin/foo /home/user/foo
Ln /user/bin/foo /home/user/foo
Ln /home/user/foo /user/bin/foo
What keyword is missing from the following segment of the shell script?for i in*;----cat $idone
Do
Endo
Then
Fi
What is the command that will show system boot time messages?
Display system boot
Messages
dmesg
lspci
Which of the following is a Linux based operating system for use on mobile devices?
Android
CentOS
Debian
Fedora
Which network interface always exists in a Linux system?
wlan0
lo
vlan0
eth0
Which command shows if /usr/bin is in the current shell search path?
cat $PATH
echo %PATH
echo $PATH
echo %PATH%
What is the number called that is used to identify a process?
Process Entry
PIN
PID
Proc Num
Which one of the following statements concerning Linux passwords is true?
Passwords are only stored in encrypted form
Passwords may never start with a non-letter
Passwords may be at most six characters long
Users cannot change their password once it has been set
What are the three sets of permission for a file?
Administrator, standard user, others
Administrator, group, others
User, group, others
User, standard user, others
Which of the following will change the group that is associated with a file?
chmod
chmod -w
chown
ls -g
While deleting all files beginning with the letter a there was still the file Access.txt left. Assuming that it had the correct ownership, why was it not deleted?
Linux file names are case sensitive
Rm had to be called with the option -R to delete all files
Files with extensions need a different treatment
The file Access.txt was hidden
Which of the following programs is not a graphical web browser?
Chrome
Links
Konqueror
Firefox
What is the output of the following command?tail -n 20 test.txt
The last 20 lines of test.txt including the black lines
The last 20 lines of test.txt omitting the black lines
The last 20 lines of test.txt with line numbers
The first 20 lines of test.txt
Which of the following commands will display a list of all files in the current directory, including those that may be hidden?
ls -a
ls --hidden
ls -h
ls --a
Which command will display the last line of the file foo.txt?
last -n 1 foo.txt
head -n foo.txt
tail -n 1 foo.txt
tail foo.txt
Which Linux distribution is used as a basis for the creation of Ubuntu Linux?
Debian Linux
Red Hat Linux
SUSE Linux
Gentoo Linux
Which command is used to make a shell variable known to subsequently executed programs?
export
Announce
env
mv
Which command displays the list of groups to which a user belongs?
Id
Whoami
Isgroup
Who
Which of the following hardware devices links a number of computers together to form an Ethernet LAN?
Switch
Access point
Terminal
Server
Which of the following commands can be used to extract files from an archive?
tar -evf
tar -vf
tar -v
tar -xvf
Which of the following commands can be used to view a file and do search operations within it while viewing the contents?
less
grep
report
find
What is the first character for a file or directory names if they should not be displayed by commands such as ls unless specifically requested?
_ (underscore)
- (minus)
\ (backslash)
. (dot)
Which command line can be used to search help files that mention the word "copy"?
copy help
man l-k copy
whatis copy
copy -help
Which of the following software packages is an email server?
Apache
MySQL
Postfix
GIMP
Which of the following can be used to access the command line?
BIOS
XWindow
After installing a new package, in which directory are you most likely find its configuration file?
/etc
/conf
/usr
/lib
Why is the file data.txt empty after executing sort data.txt > data.txt?
Because the file gets truncated before the sort is executed
Because sort cannot sort text files, only binary files
Because sort detects that both files are the same
Because, if data.txt is empty now, it must have been empty before
Which option will cause the echo command NOT to output a trailing newline?
-e
-n
-p
-s
Which of the following statements concerning the General Public License (GPL) is true?
The GPL is designed to ensure that the source code of a software remains freely available
The GPL is identical to the BSD license
GPL software may never be sold for money
If you changed a program you received under the GPL, you must send your changes to the original author for approval
Identify the proper device for the third partition, on the second hard disk, on the first IDE controller on a PC system.
/dev/hdb3
/dev/hd1b3
/dev/hdc1d2p3
Dev/hdc1a3
Which command lists all files in the current directory that starts with a capital letter?
ls -uppercase-files
ls A-Z
ls A-Z*
ls [A-Z]*
How can the normal output of a command be written to a file while discarding the error output?
Command>2>discard-error>file
Command>2>file &1>/dev/null
Command /dev/null
Command> file2>/dev/null
Which of the following Ubuntu releases is considered most stable and fit to use for business purposes?
LTS
Ubuntu Vanilla
Xubuntu
Kubuntu
The following file is found in which system file?
root:x:0:0::/root:/bin/bash
/etc/passwd
/usr/bin/shadow
/etc/shadow
/etc/password
Which is a suitable command to find the next appearance of the word hidden in a man page being viewed from the command line?
/hidden
/? hidden
CTRL-F hidden
Find hidden
Incoming SSH connections are accepted by the sshd daemon on which default port?
80
23
21
22
