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. Contains essential devices
chown
464
110
/dev

2. DNS
25
uname -a
53
/mnt

3. Users' home directories - containing saved files - personal settings - etc
ifup
pico {filename}
du -a
/home

4. IMAP
mv
/usr
netstat
143

5. Ftp Data
cal
20
man
43

6. Changes group ownership of file or directory
du -a
ls
chgrp
date

7. Kills a process by pid
kill
fg
wget
25

8. Downloads a file from the internet
156
161
curl
wget

9. SNMP
161
groupadd
wget
chown

10. View a text file - View file one screen at a time
cat {filename} | more
dig
443
more {filename}

11. Creates a file / updates it
/opt
uname -a
touch
groupadd

12. Reverse dns lookup
du
dig-x
mv
netstat -i

13. Displays manual or help document for a command/application
/lib
host
man
ifup

14. Checks web connectivity (displays page contents)
rmdir
curl
/proc
ifup

15. Temporarily mounted filesystems
mkdir
finger
/mnt
/bin

16. Temporary files cleaned on reboot
nslookup
killall
/tmp
/root

17. Deletes a file
less {filename}
man
/opt
rm

18. View a text file - Very handy with ncftp.
nslookup
/media
page {filename}
mail

19. WHOIS
cat {filename} | more
43
w
file

20. Telnet
man
23
history
dig-x

21. List files within a directory
host
rmdir
ls
21

22. Displays current date and time
20
sudo
date
w

23. Displays user information
finger
/usr
/mnt
/dev

24. Changes password for a user
passwd
cd
cat > {filename}
110

25. Ftp Control
143
21
stat
wget

26. SQL
netstat
touch
156
118

27. Report file system disk space usage
du
cd
df
history

28. Displays kernel routing tables
w
mail
netstat -r
cat {filename} | more

29. SFTP
netstat -r
ethtool
110
115

30. Prints file information
fg
stat
ifdown
21

31. Moves a file with the option of renaming it
page {filename}
netstat
cat {filename} | more
mv

32. dns lookup
top
/etc
fg
dig

33. HTTPS
443
179
pico {filename}
history

34. Kills all processes by name
killall
pwd
/bin
20

35. Brings and interface down
more {filename}
ifdown
touch
pico {filename}

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

37. Lists all files within a directory (including hidden)
ls -a
/usr
page {filename}
mkdir

38. Kerberos password
ifconfig
21
464
115

39. 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.
kill
grep
ping
/var

40. Brings the most recent job to the foreground
mkdir
fg
du
143

41. Secondary hierarchy for read-only user data
/usr
du
less {filename}
grep '{pattern}' {file}

42. Creates a directory
mkdir
rmdir
dig
ls -a

43. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
rmdir
ifconfig -a
apropos
netstat

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

45. Changes ownership of a file or directory
chown
80
156
nslookup

46. Prints current working directory
ifconfig -a
cat
pwd
history

47. Displays all file space usage
ethtool
du -a
man
sudo

48. Displays Kernel information
du
cat {filename}
/opt
uname -a

49. Parses for string
tail
grep
22
/opt

50. Shows command history
ping
history
/boot
20