Test your basic knowledge |

Linux Administration

Subject : it-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. SFTP
ifdown
host
53
115

2. Displays Kernel information
top
uname -a
netstat
ls -a

3. Kills all processes by name
host
cal
killall
ifconfig

4. Adds existing user to a group
page {filename}
usermod
touch
df

5. Shows who is currently logged in and where
df
23
w
dig-x

6. Configuration for optional installed software
156
/mnt
date
/opt

7. Search for all Unix commands that match keyword - e.g apropos file.
apropos
110
service
file

8. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
/boot
161
53
page {filename}

9. Moves a file with the option of renaming it
du -a
mv
file
cat > {filename}

10. Prints contains of text file
cat
top
ethtool
finger

11. List files within a directory
netstat -r
ls
cat {filename} | more
mkdir

12. Kills a process by pid
head
ethtool
kill
uptime

13. HTTP
115
finger
date
80

14. SQL
/media
156
rm
118

15. Displays the 10 bottom lines of a file
tail
115
pwd
finger

16. Lists all stopped/paused background. Resumes a stopped job
bg
netstat
kill
143

17. View a text file - Use text editor and don't save.
ifconfig -a
ethtool
/tmp
pico {filename}

18. Host-specific system-wide configuration files
/etc
ifdown
/media
/sbin

19. View a text file - View file one screen at a time
156
cat {filename} | more
service
ethtool

20. Checks web connectivity (displays page contents)
ps
curl
118
page {filename}

21. Displays the connection media state and capabilities
ethtool
finger
usermod
mv

22. Brings and interface down
kill
ifdown
cd
118

23. Find regular expression in file.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

24. POP3
53
du -a
110
mv

25. ____ is found at: cd /var/mail then vi into each mail (administrator - www-data - nagios etc.)
touch
mail
host
/usr

26. Displays all current running processes (similar to task manager)
/mnt
top
118
/bin

27. Create a text file: Enter your text (multiple lines with enter are ok) and press control-d to save.
touch
cat > {filename}
443
netstat -i

28. Secondary hierarchy for read-only user data
ps
/var/log
/opt
/usr

29. Display all interfaces
/boot
cal
ifconfig -a
cd

30. Reports a snapshot of the current processes
115
179
ps
grep

31. HTTPS
/tmp
443
118
sudo

32. Parses for string
rmdir
grep
history
uptime

33. Displays calendar
464
less {filename}
cal
80

34. Displays kernel routing tables
grep
443
netstat -r
/sbin

35. SMTP
fg
115
118
25

36. Ftp Control
115
cp
mv
21

37. Ftp Data
netstat
20
ethtool
rmdir

38. Downloads a file from the internet
top
110
wget
apropos

39. Displays the status of a service or all services
rmdir
service
/lib
/boot

40. Copies a file
killall
/media
/lib
cp

41. Displays manual or help document for a command/application
/media
head
du
man

42. DNS
/mnt
/dev
cat {filename}
53

43. Query internet name servers interactively
179
443
nslookup
/dev

44. User root's home directory
cal
uptime
cat {filename}
/root

45. dns lookup
mkdir
rmdir
cat
dig

46. View a text file - View file one screen at a time
more {filename}
netstat -i
cp
/proc

47. Prints file information
/home
stat
less {filename}
ping

48. Essential command binaries that need to be available in single user mode; for all users - e.g. - cat - ls - cp.
156
cat {filename} | more
mail
/bin

49. Displays system uptime
uptime
ifup
161
cat

50. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
161
mail
rm
netstat