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
date
ifup
20
cp

2. Kerberos password
143
uptime
25
464

3. Downloads a file from the internet
uptime
/usr
wget
43

4. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
less {filename}
/boot
nslookup
/bin

5. View a text file - Use text editor and don't save.
host
/mnt
pico {filename}
cat

6. Displays current date and time
/dev
date
/var
grep '{pattern}' {file}

7. Kills a process by pid
kill
history
ls
curl

8. Elevate rights to that of root
man
/boot
finger
sudo

9. Adds existing user to a group
top
mkdir
sudo
usermod

10. Virtual filesystem documenting kernel and process status as text files - e.g. uptime or network. In Linux it corresponds to a Procfs mount
22
/var
wget
/proc

11. Displays a table of all network interfaces / errors
ifconfig
bg
netstat -i
cat

12. Display all interfaces
/mnt
netstat -i
ifconfig -a
/sbin

13. Ftp Control
man
21
/var/log
head

14. Test network connectivity
ping
/var/log
nslookup
ifconfig

15. Changes group ownership of file or directory
/root
chgrp
kill
mail

16. Displays the 10 bottom lines of a file
/bin
tail
grep '{pattern}' {file}
22

17. Removes a directory
/etc
sudo
df
rmdir

18. Changes directories
cd
ping
ls
date

19. Copies a file
cp
53
ifconfig -a
/home

20. Displays calendar
man
cal
rm
killall

21. Displays user information
ls
23
finger
'/'

22. Does a DNS lookup or reverse dns lookup
groupadd
cp
host
mkdir

23. Shows command history
ps
history
sudo
curl

24. SNMP
25
ifdown
cd
161

25. IMAP
179
df
143
nslookup

26. Temporarily mounted filesystems
/usr
df
ethtool
/mnt

27. View a text file - View file one screen at a time
chgrp
more {filename}
53
118

28. Configuration for optional installed software
156
/opt
/dev
/mnt

29. Temporary files cleaned on reboot
man
443
netstat
/tmp

30. HTTPS
143
cat {filename}
443
/sbin

31. Displays system uptime
/tmp
uptime
cat {filename} | more
cal

32. Moves a file with the option of renaming it
mv
/dev
du -a
118

33. Displays all file space usage
cal
du -a
/lib
finger

34. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
service
chown
netstat
/var/log

35. SFTP
/tmp
less {filename}
115
156

36. View a text file - Very handy with ncftp.
page {filename}
ifconfig -a
22
cat {filename} | more

37. Brings an interface up
ifup
cat
/etc
usermod

38. Prints contains of text file
115
/lib
head
cat

39. Mount points for removable media such as CD-ROMs
/media
110
cal
w

40. Displays the 10 top lines of a file
head
/boot
/tmp
dig-x

41. Estimate file space usage
du
more {filename}
host
touch

42. Brings and interface down
ifdown
/var
80
kill

43. Shows who is currently logged in and where
cat > {filename}
grep
w
pwd

44. Secondary hierarchy for read-only user data
23
/var/log
/usr
host

45. SQL
rmdir
118
grep
/etc

46. 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.
service
grep
/var
/proc

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

48. Users' home directories - containing saved files - personal settings - etc
/home
/bin
chgrp
/dev

49. WHOIS
mail
43
more {filename}
110

50. List files within a directory
cp
host
ls
80