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. Ftp Data
20
rmdir
killall
25

2. Brings the most recent job to the foreground
killall
fg
rmdir
/bin

3. Shows who is currently logged in and where
rm
/bin
usermod
w

4. Prints contains of text file
/opt
cal
nslookup
cat

5. Configuration for optional installed software
ifconfig -a
/opt
80
cat {filename}

6. Displays current date and time
464
25
apropos
date

7. View a text file - Very handy with ncftp.
page {filename}
dig-x
ls
/dev

8. Essential command binaries that need to be available in single user mode; for all users - e.g. - cat - ls - cp.
/bin
bg
curl
/home

9. View a text file - Like more - with extra features
118
w
/usr
less {filename}

10. Mount points for removable media such as CD-ROMs
156
host
443
/media

11. Parses for string
grep '{pattern}' {file}
grep
cp
history

12. Query internet name servers interactively
ifdown
fg
nslookup
115

13. Prints current working directory
dig
pwd
wget
netstat -r

14. ____ is found at: cd /var/mail then vi into each mail (administrator - www-data - nagios etc.)
cat
kill
mail
chgrp

15. Copies a file
cp
w
service
115

16. Displays manual or help document for a command/application
man
25
/bin
22

17. Users' home directories - containing saved files - personal settings - etc
tail
netstat -i
20
/home

18. Lists all stopped/paused background. Resumes a stopped job
ps
mail
118
bg

19. Displays all current running processes (similar to task manager)
top
/bin
143
touch

20. Displays system uptime
top
dig-x
cp
uptime

21. Displays kernel routing tables
netstat -r
'/'
grep '{pattern}' {file}
df

22. Deletes a file
passwd
rm
25
stat

23. Reports a snapshot of the current processes
161
/home
ps
uptime

24. Does a DNS lookup or reverse dns lookup
cal
ifconfig -a
/bin
host

25. Log files
/var/log
pico {filename}
179
bg

26. Checks web connectivity (displays page contents)
cal
ps
curl
143

27. SQL
161
118
/sbin
history

28. SQL
156
bg
ifup
touch

29. Telnet
23
mv
/tmp
host

30. Find regular expression in file.

31. HTTP
host
/usr
80
cat

32. Kills a process by pid
grep '{pattern}' {file}
page {filename}
kill
118

33. Ftp Control
80
chgrp
du
21

34. Prints file information
25
stat
grep
22

35. POP3
110
ls -a
/sbin
head

36. Temporary files cleaned on reboot
grep '{pattern}' {file}
passwd
/tmp
161

37. DNS
53
'/'
/home
cat > {filename}

38. Lists all files within a directory (including hidden)
/bin
mkdir
ls -a
ethtool

39. Changes ownership of a file or directory
chown
killall
tail
ps

40. Host-specific system-wide configuration files
115
chgrp
443
/etc

41. Search for all Unix commands that match keyword - e.g apropos file.
apropos
25
/etc
ping

42. SSH
ethtool
du
22
uname -a

43. SNMP
161
/dev
rmdir
apropos

44. Changes password for a user
more {filename}
passwd
stat
cd

45. Removes a directory
apropos
nslookup
80
rmdir

46. Changes group ownership of file or directory
stat
date
cp
chgrp

47. Displays the connection media state and capabilities
ethtool
chown
21
top

48. BGP
25
cat
179
pico {filename}

49. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
netstat
/lib
443
killall

50. Reverse dns lookup
uptime
pwd
dig-x
finger