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. Parses for string
page {filename}
mail
pico {filename}
grep

2. Displays all current running processes (similar to task manager)
top
du -a
stat
rm

3. Elevate rights to that of root
chown
110
sudo
touch

4. Prints file information
stat
grep
/root
top

5. Temporary files cleaned on reboot
/boot
cd
ls -a
/tmp

6. Brings the most recent job to the foreground
du
fg
wget
df

7. Displays the 10 bottom lines of a file
tail
grep
/dev
host

8. Removes a directory
/bin
rmdir
top
cat {filename} | more

9. List files within a directory
21
pico {filename}
/opt
ls

10. Shows command history
/mnt
pwd
history
rmdir

11. SMTP
25
tail
80
cat {filename} | more

12. Kills a process by pid
cp
tail
kill
ls -a

13. View a text file - Use text editor and don't save.
443
netstat
464
pico {filename}

14. Deletes a file
rm
/home
ps
143

15. Lists all files within a directory (including hidden)
head
finger
pico {filename}
ls -a

16. Changes group ownership of file or directory
143
service
chgrp
top

17. Checks web connectivity (displays page contents)
curl
/var
ifdown
cat {filename}

18. Temporarily mounted filesystems
sudo
/opt
/mnt
more {filename}

19. SFTP
grep '{pattern}' {file}
cal
sudo
115

20. Displays the 10 top lines of a file
wget
head
finger
/media

21. Reports a snapshot of the current processes
ps
ifconfig -a
chgrp
cat > {filename}

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.
rmdir
/home
usermod
/var

23. Displays kernel routing tables
netstat -r
/dev
chgrp
stat

24. View a text file - Like more - with extra features
less {filename}
finger
ifup
/sbin

25. Displays user information
du -a
du
finger
ethtool

26. HTTP
mkdir
cp
80
uptime

27. IMAP
chgrp
179
uname -a
143

28. Query internet name servers interactively
25
179
ifdown
nslookup

29. View a text file - View file but it scrolls.
cat > {filename}
ifconfig
cat {filename}
/etc

30. dns lookup
mail
/var/log
dig
du -a

31. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
more {filename}
chown
23
/boot

32. View a text file - View file one screen at a time
/boot
more {filename}
wget
usermod

33. Brings an interface up
/sbin
cat > {filename}
115
ifup

34. Adds existing user to a group
apropos
usermod
118
curl

35. SNMP
161
ifconfig
/lib
host

36. Prints current working directory
pwd
80
w
grep

37. Ftp Control
service
/sbin
21
rm

38. Create a text file: Enter your text (multiple lines with enter are ok) and press control-d to save.
cat > {filename}
mail
wget
finger

39. Displays current date and time
/var
date
bg
top

40. Changes directories
143
cd
21
/tmp

41. View a text file - Very handy with ncftp.
'/'
w
page {filename}
netstat

42. Mount points for removable media such as CD-ROMs
/media
/usr
53
21

43. Secondary hierarchy for read-only user data
/usr
file
ifconfig -a
touch

44. Displays system uptime
uptime
grep '{pattern}' {file}
ifconfig -a
cal

45. Configuration for optional installed software
161
/opt
chown
uptime

46. Users' home directories - containing saved files - personal settings - etc
dig-x
/home
date
cal

47. Moves a file with the option of renaming it
/dev
page {filename}
usermod
mv

48. Displays all file space usage
/media
/proc
touch
du -a

49. DNS
/boot
53
80
cat {filename}

50. Find regular expression in file.

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