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
cat
/boot
curl
/opt

2. Brings and interface down
man
groupadd
cd
ifdown

3. Report file system disk space usage
ifconfig
/var
df
chgrp

4. Moves a file with the option of renaming it
page {filename}
mv
ls
/home

5. User root's home directory
/root
ifconfig
/home
netstat -r

6. Creates a directory
bg
mkdir
118
ls -a

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

8. Displays all current running processes (similar to task manager)
ifup
top
/sbin
/usr

9. Kerberos password
464
page {filename}
ifconfig
groupadd

10. Test network connectivity
110
ping
cal
ifconfig

11. Creates a file / updates it
touch
finger
sudo
apropos

12. View a text file - Like more - with extra features
179
usermod
ping
less {filename}

13. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
/home
25
/var/log
/boot

14. Brings an interface up
43
uname -a
ifup
/opt

15. Lists all files within a directory (including hidden)
head
/dev
ls -a
mail

16. Elevate rights to that of root
usermod
/sbin
ping
sudo

17. Copies a file
cp
cal
/sbin
pwd

18. SNMP
cat {filename} | more
ethtool
161
ifconfig -a

19. View a text file - Use text editor and don't save.
history
/var/log
118
pico {filename}

20. Displays system uptime
25
chown
uptime
/bin

21. View a text file - View file but it scrolls.
20
rmdir
cat {filename}
finger

22. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
netstat
443
mkdir
ifconfig

23. Ftp Control
21
netstat -i
groupadd
wget

24. dns lookup
pico {filename}
ifup
head
dig

25. Displays the 10 top lines of a file
touch
/etc
43
head

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

27. WHOIS
mail
43
killall
rm

28. Search for all Unix commands that match keyword - e.g apropos file.
143
grep '{pattern}' {file}
apropos
/opt

29. Users' home directories - containing saved files - personal settings - etc
/home
less {filename}
netstat -r
uname -a

30. View a text file - Very handy with ncftp.
page {filename}
ifconfig -a
kill
ethtool

31. Essential system binaries : init - ip - mount
chgrp
/sbin
ping
cat {filename}

32. Brings the most recent job to the foreground
/proc
fg
tail
ls -a

33. Displays user information
ls
161
finger
grep

34. Secondary hierarchy for read-only user data
443
cat
/usr
'/'

35. 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.
ping
/var
mkdir
cat > {filename}

36. Adds existing user to a group
chown
/mnt
cat {filename} | more
usermod

37. Prints contains of text file
cat > {filename}
/var
grep
cat

38. Changes ownership of a file or directory
chown
ps
bg
/var

39. Lists all stopped/paused background. Resumes a stopped job
wget
/dev
bg
df

40. Reports a snapshot of the current processes
more {filename}
/var/log
less {filename}
ps

41. Changes password for a user
df
156
passwd
115

42. View a text file - View file one screen at a time
service
finger
more {filename}
touch

43. Displays current date and time
uname -a
date
chgrp
21

44. Temporary files cleaned on reboot
/mnt
110
/tmp
ifconfig

45. Display all interfaces
ifconfig -a
ls
service
top

46. Downloads a file from the internet
wget
53
ifconfig
mkdir

47. Libraries essential for the binaries in /bin/ and /sbin/
/lib
/mnt
file
ps

48. IMAP
host
80
/lib
143

49. Parses for string
grep
w
/root
top

50. ____ is found at: cd /var/mail then vi into each mail (administrator - www-data - nagios etc.)
mail
uname -a
ifconfig -a
/dev