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. Configuration for optional installed software
20
rmdir
115
/opt

2. View a text file - View file but it scrolls.
uptime
groupadd
ping
cat {filename}

3. Adds existing user to a group
uname -a
usermod
80
'/'

4. Search for all Unix commands that match keyword - e.g apropos file.
/bin
/home
pico {filename}
apropos

5. SMTP
w
netstat -r
25
rmdir

6. Displays manual or help document for a command/application
uptime
man
less {filename}
80

7. Brings the most recent job to the foreground
fg
20
netstat -i
chgrp

8. Prints file information
ethtool
pico {filename}
stat
'/'

9. Users' home directories - containing saved files - personal settings - etc
less {filename}
mail
uptime
/home

10. Does a DNS lookup or reverse dns lookup
/etc
groupadd
bg
host

11. Virtual filesystem documenting kernel and process status as text files - e.g. uptime or network. In Linux it corresponds to a Procfs mount
/proc
/usr
mail
file

12. Create a text file: Enter your text (multiple lines with enter are ok) and press control-d to save.
cat > {filename}
dig
curl
179

13. Displays system uptime
uptime
161
stat
netstat

14. Lists all stopped/paused background. Resumes a stopped job
'/'
bg
/bin
df

15. Temporary files cleaned on reboot
service
/tmp
143
top

16. User root's home directory
/root
mkdir
curl
53

17. Displays the 10 top lines of a file
usermod
cal
mkdir
head

18. Creates a file / updates it
killall
page {filename}
ls
touch

19. Estimate file space usage
du
cat > {filename}
/etc
cp

20. Brings and interface down
sudo
man
ifdown
cat {filename} | more

21. Kills a process by pid
less {filename}
/etc
20
kill

22. 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.
43
/var
161
bg

23. Log files
/var/log
uname -a
/proc
history

24. Shows command history
kill
118
chown
history

25. Ftp Data
grep '{pattern}' {file}
20
grep
cat

26. SNMP
ifconfig -a
mv
/tmp
161

27. Host-specific system-wide configuration files
/etc
netstat -r
killall
finger

28. SFTP
179
sudo
passwd
115

29. Test network connectivity
ping
history
cat {filename}
df

30. Root directory of file system (not the user root's home dir)
'/'

31. Displays the connection media state and capabilities
161
/var
ethtool
curl

32. Reports a snapshot of the current processes
cat
ps
head
bg

33. Removes a directory
pico {filename}
du
rmdir
mv

34. Telnet
161
/var
groupadd
23

35. Ftp Control
/usr
grep
21
/etc

36. HTTPS
ethtool
'/'
443
cat {filename} | more

37. Displays user information
finger
bg
pico {filename}
more {filename}

38. Secondary hierarchy for read-only user data
groupadd
443
rm
/usr

39. Creates a group for users
groupadd
mv
cd
fg

40. Changes group ownership of file or directory
/root
grep '{pattern}' {file}
finger
chgrp

41. View a text file - Like more - with extra features
touch
less {filename}
/var/log
du

42. Displays current date and time
date
dig
cat
21

43. Prints file type
file
netstat -i
/boot
man

44. Displays the status of a service or all services
grep
page {filename}
service
/boot

45. Displays calendar
netstat -i
touch
wget
cal

46. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
23
22
25
/boot

47. Mount points for removable media such as CD-ROMs
/media
chown
pwd
netstat -i

48. DNS
53
chgrp
host
/lib

49. Displays the 10 bottom lines of a file
cp
tail
kill
du -a

50. Moves a file with the option of renaming it
118
pico {filename}
443
mv