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. View a text file - Like more - with extra features
161
less {filename}
143
mv

2. Users' home directories - containing saved files - personal settings - etc
touch
/home
cat
/boot

3. Mount points for removable media such as CD-ROMs
21
df
25
/media

4. Does a DNS lookup or reverse dns lookup
grep '{pattern}' {file}
host
nslookup
cat

5. SMTP
25
cat {filename} | more
ethtool
grep '{pattern}' {file}

6. Reverse dns lookup
netstat -i
dig-x
110
/tmp

7. Creates a directory
chgrp
dig
179
mkdir

8. Essential command binaries that need to be available in single user mode; for all users - e.g. - cat - ls - cp.
uptime
ls -a
/bin
/sbin

9. Ftp Data
179
du -a
20
53

10. Deletes a file
ping
/mnt
rm
20

11. Displays calendar
passwd
cat
/boot
cal

12. Displays all file space usage
du -a
cd
head
rmdir

13. HTTP
ethtool
kill
'/'
80

14. SSH
w
mv
22
53

15. WHOIS
/etc
'/'
man
43

16. Test network connectivity
ping
df
top
page {filename}

17. Displays kernel routing tables
df
netstat -r
ethtool
ls

18. Display all interfaces
ping
ifconfig -a
20
/bin

19. Displays the connection media state and capabilities
cat {filename}
ethtool
179
pico {filename}

20. SQL
dig
464
ifup
118

21. List files within a directory
/proc
ls
rm
file

22. Lists all files within a directory (including hidden)
/dev
23
464
ls -a

23. Changes ownership of a file or directory
head
156
chown
21

24. HTTPS
ping
chgrp
443
more {filename}

25. BGP
history
179
43
chgrp

26. ____ is found at: cd /var/mail then vi into each mail (administrator - www-data - nagios etc.)
history
179
fg
mail

27. Contains essential devices
nslookup
'/'
cp
/dev

28. IMAP
groupadd
21
/home
143

29. Displays user information
finger
ifconfig -a
netstat
touch

30. Temporarily mounted filesystems
killall
du
/mnt
date

31. Report file system disk space usage
pwd
df
cal
grep

32. View a text file - Use text editor and don't save.
du
/media
43
pico {filename}

33. Secondary hierarchy for read-only user data
464
netstat -i
/usr
groupadd

34. Estimate file space usage
cat > {filename}
cd
du
22

35. SNMP
w
25
wget
161

36. dns lookup
grep '{pattern}' {file}
host
dig
chgrp

37. Brings and interface down
netstat
netstat -i
ifdown
netstat -r

38. Removes a directory
pico {filename}
rmdir
/usr
179

39. Query internet name servers interactively
more {filename}
nslookup
usermod
/sbin

40. Changes group ownership of file or directory
chgrp
service
22
killall

41. Prints contains of text file
uname -a
/etc
cat
usermod

42. Essential system binaries : init - ip - mount
/proc
sudo
/sbin
ifconfig -a

43. Kills a process by pid
80
/etc
kill
ifup

44. Displays manual or help document for a command/application
ls
touch
man
nslookup

45. Moves a file with the option of renaming it
man
23
mv
netstat -i

46. POP3
wget
touch
110
kill

47. Lists all stopped/paused background. Resumes a stopped job
110
443
/var
bg

48. Prints file information
touch
179
grep
stat

49. View a text file - View file one screen at a time
more {filename}
22
df
pwd

50. Kerberos password
464
25
20
mkdir