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. Displays all file space usage
/boot
groupadd
du -a
stat

2. Shows command history
passwd
history
/bin
cat > {filename}

3. Check IP Addresses of active interfaces
date
usermod
ifconfig
host

4. Kills a process by pid
80
/dev
cat {filename} | more
kill

5. Displays current date and time
pico {filename}
finger
date
/etc

6. Checks web connectivity (displays page contents)
curl
/home
cat > {filename}
grep

7. Displays kernel routing tables
netstat -r
23
groupadd
cat > {filename}

8. Brings and interface down
groupadd
ethtool
ifdown
cal

9. User root's home directory
rm
/root
/opt
/usr

10. Test network connectivity
fg
ping
dig-x
/media

11. Displays calendar
cal
stat
top
cat

12. Telnet
/boot
/mnt
23
dig

13. SFTP
df
/boot
history
115

14. Temporary files cleaned on reboot
/bin
mail
/tmp
ifdown

15. Creates a file / updates it
touch
ps
'/'
history

16. Shows who is currently logged in and where
man
/proc
w
/bin

17. SSH
rm
host
dig-x
22

18. Deletes a file
rm
/sbin
less {filename}
mv

19. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
head
cat {filename}
grep '{pattern}' {file}
netstat

20. View a text file - Like more - with extra features
mkdir
finger
kill
less {filename}

21. Kerberos password
464
21
file
chown

22. Libraries essential for the binaries in /bin/ and /sbin/
/lib
cp
/media
dig

23. Ftp Control
groupadd
killall
grep '{pattern}' {file}
21

24. SMTP
w
killall
25
22

25. Estimate file space usage
/lib
du
23
cp

26. Query internet name servers interactively
host
/home
nslookup
service

27. Mount points for removable media such as CD-ROMs
/media
passwd
bg
less {filename}

28. Displays Kernel information
bg
curl
uname -a
464

29. Displays the connection media state and capabilities
161
ifdown
ls
ethtool

30. List files within a directory
grep
ls
20
mail

31. Report file system disk space usage
curl
/media
df
more {filename}

32. Changes directories
pico {filename}
cd
grep '{pattern}' {file}
rmdir

33. Essential command binaries that need to be available in single user mode; for all users - e.g. - cat - ls - cp.
/proc
/bin
df
man

34. Does a DNS lookup or reverse dns lookup
finger
host
page {filename}
/tmp

35. Prints file information
ethtool
tail
stat
uname -a

36. SQL
host
156
/lib
/usr

37. 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.
/sbin
/var
cat {filename}
443

38. Configuration for optional installed software
uptime
/opt
tail
ifconfig -a

39. Displays the 10 top lines of a file
head
/var/log
ifdown
mv

40. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
/boot
groupadd
464
cat {filename} | more

41. Displays the 10 bottom lines of a file
/lib
chgrp
head
tail

42. Host-specific system-wide configuration files
touch
killall
/etc
du

43. Reverse dns lookup
dig-x
43
cd
/mnt

44. Prints current working directory
156
grep
115
pwd

45. Changes password for a user
23
head
df
passwd

46. Brings the most recent job to the foreground
/media
'/'
bg
fg

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

48. Adds existing user to a group
/dev
rmdir
usermod
wget

49. Find regular expression in file.

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

50. Copies a file
/mnt
cp
kill
dig