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. Kills a process by pid
finger
stat
kill
'/'

2. Displays kernel routing tables
touch
netstat -r
ifconfig
curl

3. SSH
22
chown
chgrp
nslookup

4. Users' home directories - containing saved files - personal settings - etc
ifconfig -a
/home
23
wget

5. Deletes a file
finger
cat {filename}
rm
mkdir

6. View a text file - Like more - with extra features
groupadd
less {filename}
usermod
/usr

7. Removes a directory
cat {filename}
'/'
ifconfig
rmdir

8. Contains essential devices
history
23
top
/dev

9. View a text file - View file one screen at a time
cp
du -a
netstat -r
more {filename}

10. View a text file - View file but it scrolls.
ping
cat {filename}
top
pico {filename}

11. Lists all stopped/paused background. Resumes a stopped job
bg
man
ifconfig
sudo

12. Brings and interface down
ps
cat > {filename}
ifdown
cd

13. Parses for string
/lib
cat {filename}
grep
ifconfig -a

14. Check IP Addresses of active interfaces
cat {filename}
23
80
ifconfig

15. Elevate rights to that of root
/usr
sudo
du
/var/log

16. Changes directories
fg
uptime
22
cd

17. Kerberos password
ls
464
file
/opt

18. Report file system disk space usage
df
kill
dig-x
apropos

19. Display all interfaces
top
ifconfig -a
118
fg

20. Displays the 10 top lines of a file
passwd
25
head
/var

21. Brings an interface up
pico {filename}
22
25
ifup

22. BGP
ifup
179
head
/proc

23. Displays manual or help document for a command/application
110
80
man
ls

24. Mount points for removable media such as CD-ROMs
/media
cat {filename}
nslookup
/home

25. SNMP
chown
21
118
161

26. SQL
groupadd
118
ping
uname -a

27. View a text file - View file one screen at a time
ls -a
ifconfig -a
cat {filename} | more
161

28. Temporary files cleaned on reboot
/tmp
top
history
115

29. User root's home directory
rmdir
/root
/boot
passwd

30. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
pico {filename}
118
53
/boot

31. Copies a file
20
ifconfig -a
/media
cp

32. SQL
/dev
179
/lib
156

33. ____ is found at: cd /var/mail then vi into each mail (administrator - www-data - nagios etc.)
443
/sbin
cat
mail

34. DNS
53
pico {filename}
sudo
mv

35. Prints current working directory
pwd
top
143
usermod

36. Shows command history
bg
history
156
groupadd

37. Downloads a file from the internet
du
mkdir
wget
23

38. HTTPS
chown
53
143
443

39. Estimate file space usage
du
cat {filename} | more
man
/var

40. 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.
/bin
touch
20
/var

41. IMAP
143
service
fg
chgrp

42. Reverse dns lookup
dig-x
115
less {filename}
uptime

43. Lists all files within a directory (including hidden)
history
ls -a
/lib
/var

44. Does a DNS lookup or reverse dns lookup
115
more {filename}
cat {filename}
host

45. Temporarily mounted filesystems
du -a
tail
/mnt
top

46. Query internet name servers interactively
nslookup
ping
passwd
du -a

47. SMTP
25
touch
118
179

48. Log files
apropos
/dev
less {filename}
/var/log

49. Displays user information
20
/media
cat {filename}
finger

50. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
464
netstat
ps
rm