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. Ftp Data
161
20
apropos
143

2. Displays the 10 top lines of a file
netstat
cat
/usr
head

3. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
110
/boot
cat
fg

4. Shows who is currently logged in and where
killall
w
more {filename}
cp

5. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
/bin
netstat
80
cat {filename}

6. View a text file - Like more - with extra features
/proc
wget
cd
less {filename}

7. Displays all current running processes (similar to task manager)
443
cat > {filename}
top
w

8. DNS
more {filename}
top
53
118

9. WHOIS
man
apropos
uname -a
43

10. Brings the most recent job to the foreground
53
ethtool
fg
chgrp

11. Find regular expression in file.

12. View a text file - Use text editor and don't save.
143
pico {filename}
df
bg

13. Deletes a file
'/'
cat > {filename}
rm
nslookup

14. HTTP
sudo
80
mv
man

15. Changes group ownership of file or directory
chgrp
cat
chown
'/'

16. Estimate file space usage
115
ethtool
passwd
du

17. Displays a table of all network interfaces / errors
w
ping
grep '{pattern}' {file}
netstat -i

18. Prints file information
passwd
stat
115
cat {filename} | more

19. Prints file type
du
more {filename}
host
file

20. ____ is found at: cd /var/mail then vi into each mail (administrator - www-data - nagios etc.)
mail
115
curl
161

21. Creates a file / updates it
head
110
touch
ps

22. Displays user information
finger
rm
stat
grep

23. SQL
118
/var/log
/bin
/boot

24. Prints current working directory
host
pwd
ifup
143

25. Displays current date and time
uname -a
pwd
rmdir
date

26. Secondary hierarchy for read-only user data
du
curl
/usr
tail

27. Log files
mkdir
179
w
/var/log

28. Reports a snapshot of the current processes
20
netstat -i
ps
/sbin

29. Kills a process by pid
ifdown
/media
kill
cp

30. Downloads a file from the internet
dig-x
156
wget
/proc

31. Parses for string
usermod
killall
grep
179

32. Displays system uptime
uptime
wget
rm
dig-x

33. Copies a file
cp
161
wget
fg

34. Displays the status of a service or all services
uptime
mail
grep
service

35. Does a DNS lookup or reverse dns lookup
host
cp
23
/home

36. View a text file - View file but it scrolls.
/proc
cat {filename}
mv
pico {filename}

37. POP3
21
ifdown
w
110

38. Display all interfaces
ifconfig -a
passwd
groupadd
touch

39. Telnet
23
118
wget
464

40. dns lookup
dig
/dev
/usr
21

41. Kills all processes by name
wget
killall
netstat
touch

42. HTTPS
25
443
ifconfig -a
killall

43. SQL
156
/opt
ping
dig-x

44. Lists all files within a directory (including hidden)
cp
ifup
uname -a
ls -a

45. SMTP
ls
80
25
passwd

46. Reverse dns lookup
dig-x
netstat -r
wget
cat {filename} | more

47. SFTP
115
usermod
head
service

48. Shows command history
179
killall
apropos
history

49. Kerberos password
ps
464
service
df

50. User root's home directory
23
/sbin
/root
du