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. Check IP Addresses of active interfaces
25
ping
finger
ifconfig

2. Copies a file
23
usermod
cat {filename}
cp

3. Mount points for removable media such as CD-ROMs
464
/media
date
118

4. View a text file - Very handy with ncftp.
143
uname -a
page {filename}
dig

5. Configuration for optional installed software
ps
chgrp
touch
/opt

6. Create a text file: Enter your text (multiple lines with enter are ok) and press control-d to save.
nslookup
/boot
464
cat > {filename}

7. Contains essential devices
tail
/dev
df
53

8. Report file system disk space usage
df
touch
43
/proc

9. Displays all file space usage
du -a
mail
cat {filename}
rm

10. Displays the 10 bottom lines of a file
115
uptime
tail
23

11. Creates a directory
mkdir
uptime
/boot
netstat

12. Displays the 10 top lines of a file
netstat -i
pwd
head
df

13. Libraries essential for the binaries in /bin/ and /sbin/
cp
23
nslookup
/lib

14. Creates a file / updates it
/home
wget
uptime
touch

15. IMAP
/opt
ethtool
143
host

16. Changes group ownership of file or directory
464
21
ls -a
chgrp

17. Moves a file with the option of renaming it
mv
dig
touch
date

18. Displays Kernel information
uname -a
man
/mnt
page {filename}

19. Ftp Data
cd
usermod
20
pico {filename}

20. Displays the status of a service or all services
service
/proc
25
sudo

21. Adds existing user to a group
usermod
cat {filename} | more
wget
uptime

22. List files within a directory
pico {filename}
uname -a
uptime
ls

23. Kerberos password
groupadd
25
wget
464

24. Prints contains of text file
rm
fg
ls -a
cat

25. Displays a table of all network interfaces / errors
118
cat > {filename}
netstat -i
grep

26. Shows command history
ethtool
history
/sbin
netstat -i

27. BGP
/media
date
ifdown
179

28. Removes a directory
/mnt
110
rmdir
curl

29. View a text file - Like more - with extra features
curl
less {filename}
156
'/'

30. SNMP
161
143
mv
kill

31. Temporary files cleaned on reboot
/home
uptime
20
/tmp

32. Displays manual or help document for a command/application
dig-x
man
/usr
ifconfig -a

33. Prints current working directory
pwd
usermod
uname -a
bg

34. Kills all processes by name
netstat -i
killall
page {filename}
/tmp

35. POP3
w
110
cat > {filename}
rm

36. Search for all Unix commands that match keyword - e.g apropos file.
host
apropos
464
/usr

37. HTTP
mv
passwd
80
20

38. Telnet
23
host
/bin
netstat -r

39. Displays user information
/media
/etc
ifdown
finger

40. HTTPS
kill
/root
443
/sbin

41. Lists all stopped/paused background. Resumes a stopped job
bg
/var/log
/var
apropos

42. Changes directories
cd
/proc
head
passwd

43. Host-specific system-wide configuration files
156
ls
/etc
more {filename}

44. View a text file - View file but it scrolls.
page {filename}
156
cat {filename}
/dev

45. Does a DNS lookup or reverse dns lookup
chown
wget
host
mail

46. DNS
touch
53
cat {filename} | more
netstat

47. Reverse dns lookup
dig-x
23
ifconfig
uname -a

48. View a text file - View file one screen at a time
/boot
156
sudo
cat {filename} | more

49. Ftp Control
/usr
chown
21
ifup

50. Brings the most recent job to the foreground
fg
page {filename}
43
uptime