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. Displays the 10 bottom lines of a file
chgrp
tail
uname -a
'/'

2. Essential system binaries : init - ip - mount
/sbin
killall
du -a
ifconfig -a

3. IMAP
cp
dig
usermod
143

4. Changes password for a user
cat {filename}
passwd
/tmp
rm

5. DNS
netstat
43
service
53

6. View a text file - Use text editor and don't save.
pico {filename}
/opt
w
/var/log

7. BGP
cp
cat > {filename}
179
ps

8. Downloads a file from the internet
cat
/home
wget
/var

9. SFTP
43
date
115
host

10. Configuration for optional installed software
killall
uptime
mkdir
/opt

11. Shows who is currently logged in and where
/proc
w
uptime
ethtool

12. Displays manual or help document for a command/application
w
man
chown
ifconfig

13. Report file system disk space usage
head
df
/lib
ethtool

14. User root's home directory
cal
/root
service
mail

15. Essential command binaries that need to be available in single user mode; for all users - e.g. - cat - ls - cp.
161
21
mail
/bin

16. Displays user information
/proc
/boot
118
finger

17. View a text file - View file but it scrolls.
/lib
22
grep
cat {filename}

18. List files within a directory
killall
ls
file
uptime

19. Ftp Data
chgrp
20
du -a
curl

20. Prints current working directory
'/'
pwd
cal
53

21. SNMP
161
/tmp
110
top

22. ____ is found at: cd /var/mail then vi into each mail (administrator - www-data - nagios etc.)
mkdir
less {filename}
history
mail

23. Changes directories
cd
/usr
fg
nslookup

24. Displays calendar
tail
curl
cal
ps

25. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
netstat
netstat -r
stat
80

26. Does a DNS lookup or reverse dns lookup
host
/media
21
25

27. View a text file - Very handy with ncftp.
cp
179
page {filename}
/boot

28. Temporarily mounted filesystems
mv
43
/mnt
file

29. Query internet name servers interactively
service
nslookup
22
chown

30. Host-specific system-wide configuration files
/etc
head
rmdir
man

31. Moves a file with the option of renaming it
/var
nslookup
mv
43

32. Root directory of file system (not the user root's home dir)
'/'

33. Displays all current running processes (similar to task manager)
179
/var
top
ethtool

34. Lists all files within a directory (including hidden)
ls -a
ifup
43
ps

35. Kerberos password
mkdir
/bin
464
rm

36. Estimate file space usage
cat {filename}
du
pico {filename}
/var

37. Find regular expression in file.

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

38. POP3
110
25
/var/log
date

39. Variable files—files whose content is expected to continually change during normal operation of the system—such as logs & spool files & and temporary e-mail files.
ls
/usr
/var
kill

40. SMTP
uname -a
25
53
ls -a

41. Deletes a file
rm
chown
43
/usr

42. View a text file - Like more - with extra features
file
chgrp
less {filename}
mv

43. Create a text file: Enter your text (multiple lines with enter are ok) and press control-d to save.
cat > {filename}
tail
143
20

44. Log files
netstat -i
53
/var/log
more {filename}

45. dns lookup
/proc
dig
dig-x
/bin

46. Displays Kernel information
uname -a
/root
file
pwd

47. WHOIS
21
killall
ls
43

48. Libraries essential for the binaries in /bin/ and /sbin/
less {filename}
uname -a
w
/lib

49. Creates a file / updates it
/opt
ps
cat {filename}
touch

50. SQL
80
118
dig
/etc