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. POP3
ping
110
rmdir
grep

2. Changes password for a user
/bin
netstat
ifup
passwd

3. View a text file - Use text editor and don't save.
21
pico {filename}
115
/boot

4. Telnet
dig-x
156
23
mv

5. Prints contains of text file
/mnt
w
/tmp
cat

6. Shows who is currently logged in and where
service
host
w
page {filename}

7. Elevate rights to that of root
sudo
/sbin
chown
finger

8. Check IP Addresses of active interfaces
ifconfig
161
dig-x
43

9. List files within a directory
ls
/bin
/home
/mnt

10. View a text file - Very handy with ncftp.
cp
grep
page {filename}
netstat

11. Displays the 10 bottom lines of a file
cd
ifup
tail
man

12. HTTP
wget
grep
80
/proc

13. Ftp Control
ls -a
21
netstat
179

14. Secondary hierarchy for read-only user data
ls -a
/usr
grep
cd

15. Contains essential devices
df
rmdir
110
/dev

16. Libraries essential for the binaries in /bin/ and /sbin/
page {filename}
/proc
/lib
/var/log

17. Mount points for removable media such as CD-ROMs
/media
161
service
stat

18. Copies a file
/var/log
443
cp
/home

19. Removes a directory
rmdir
25
history
/root

20. dns lookup
ps
dig
netstat
rmdir

21. Changes group ownership of file or directory
/home
chgrp
apropos
80

22. Brings the most recent job to the foreground
/home
dig
/mnt
fg

23. Downloads a file from the internet
wget
25
host
23

24. Kills all processes by name
service
killall
nslookup
uname -a

25. Host-specific system-wide configuration files
grep '{pattern}' {file}
/etc
cat {filename} | more
/lib

26. Log files
ping
/var/log
apropos
cat > {filename}

27. Creates a directory
ifdown
top
mkdir
nslookup

28. Kerberos password
53
80
464
finger

29. Displays all current running processes (similar to task manager)
20
/tmp
top
118

30. Adds existing user to a group
/var/log
tail
mail
usermod

31. View a text file - Like more - with extra features
less {filename}
/sbin
sudo
groupadd

32. Changes directories
top
43
chgrp
cd

33. BGP
rmdir
179
less {filename}
/boot

34. Displays all file space usage
du -a
ethtool
443
netstat -r

35. Displays calendar
sudo
netstat -i
host
cal

36. Displays user information
touch
tail
ifdown
finger

37. Temporarily mounted filesystems
/bin
/mnt
pico {filename}
rm

38. Checks web connectivity (displays page contents)
kill
curl
cal
chgrp

39. IMAP
143
/boot
netstat
killall

40. HTTPS
ps
cal
grep '{pattern}' {file}
443

41. Reports a snapshot of the current processes
443
ps
host
cal

42. Displays kernel routing tables
pwd
netstat -r
usermod
passwd

43. WHOIS
/proc
/var/log
43
53

44. Parses for string
/var
grep
ifconfig -a
dig-x

45. Displays the connection media state and capabilities
118
ethtool
/boot
/var/log

46. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
ifconfig -a
passwd
80
/boot

47. Deletes a file
rm
ls
/mnt
/usr

48. SMTP
25
ifconfig -a
/media
mail

49. Test network connectivity
ps
ping
kill
115

50. Users' home directories - containing saved files - personal settings - etc
/media
'/'
/home
25