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. Temporary files cleaned on reboot
date
/tmp
killall
/etc

2. Test network connectivity
20
cd
ping
chgrp

3. Contains essential devices
page {filename}
/dev
/root
grep '{pattern}' {file}

4. Elevate rights to that of root
/bin
sudo
curl
dig

5. User root's home directory
rmdir
chgrp
/proc
/root

6. Ftp Control
dig
21
groupadd
usermod

7. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
ifconfig -a
finger
/boot
history

8. IMAP
143
/sbin
service
/etc

9. Adds existing user to a group
20
cat
curl
usermod

10. Checks web connectivity (displays page contents)
curl
22
118
mv

11. View a text file - Very handy with ncftp.
cat > {filename}
page {filename}
110
/etc

12. Libraries essential for the binaries in /bin/ and /sbin/
118
mail
/var/log
/lib

13. Secondary hierarchy for read-only user data
pico {filename}
/mnt
/usr
53

14. Find regular expression in file.

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

15. Estimate file space usage
netstat -r
history
/bin
du

16. Removes a directory
/var/log
rmdir
'/'
bg

17. HTTPS
443
ifconfig
21
apropos

18. View a text file - Like more - with extra features
21
groupadd
ethtool
less {filename}

19. BGP
156
usermod
25
179

20. Brings an interface up
110
top
ifup
rmdir

21. HTTP
uptime
ifup
curl
80

22. Telnet
23
groupadd
ifup
less {filename}

23. Reports a snapshot of the current processes
ps
43
22
/media

24. Prints contains of text file
ifconfig -a
dig-x
cat
fg

25. Virtual filesystem documenting kernel and process status as text files - e.g. uptime or network. In Linux it corresponds to a Procfs mount
netstat -i
/proc
passwd
w

26. Kerberos password
'/'
23
464
groupadd

27. Displays system uptime
nslookup
80
uptime
20

28. Ftp Data
25
ifconfig -a
20
ls

29. Displays the 10 bottom lines of a file
tail
less {filename}
/bin
ping

30. Moves a file with the option of renaming it
mv
nslookup
ls -a
23

31. Downloads a file from the internet
wget
tail
passwd
killall

32. Mount points for removable media such as CD-ROMs
usermod
/media
killall
pwd

33. Users' home directories - containing saved files - personal settings - etc
rm
/home
/media
cp

34. DNS
/tmp
ls
killall
53

35. Check IP Addresses of active interfaces
115
ifconfig
pwd
/proc

36. Displays kernel routing tables
cat {filename}
ls
netstat -r
156

37. View a text file - View file but it scrolls.
cat {filename}
ls
cd
rmdir

38. Displays the connection media state and capabilities
nslookup
ethtool
/boot
sudo

39. Create a text file: Enter your text (multiple lines with enter are ok) and press control-d to save.
cat > {filename}
118
/etc
passwd

40. SSH
cat {filename} | more
netstat -i
groupadd
22

41. Brings and interface down
/mnt
ifdown
chgrp
du -a

42. Displays manual or help document for a command/application
chgrp
/tmp
22
man

43. SMTP
25
groupadd
page {filename}
usermod

44. Reverse dns lookup
mkdir
host
dig-x
rm

45. Report file system disk space usage
df
22
dig
mail

46. Changes password for a user
curl
passwd
mail
/boot

47. Kills all processes by name
nslookup
history
/media
killall

48. dns lookup
ifconfig
mkdir
stat
dig

49. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
20
ping
netstat
grep

50. Deletes a file
dig-x
156
rm
179

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Linux Administration

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