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. Temporary files cleaned on reboot
ifdown
cal
pwd
/tmp

2. View a text file - Like more - with extra features
grep '{pattern}' {file}
file
53
less {filename}

3. Reports a snapshot of the current processes
netstat -i
ps
/boot
kill

4. 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.
uname -a
mkdir
118
/var

5. Moves a file with the option of renaming it
cal
kill
mv
head

6. Displays system uptime
uptime
netstat
/sbin
ethtool

7. Displays kernel routing tables
/proc
netstat -r
dig
mkdir

8. Displays the 10 top lines of a file
cat {filename} | more
head
grep '{pattern}' {file}
ping

9. Kills a process by pid
dig-x
kill
killall
wget

10. Brings the most recent job to the foreground
fg
/etc
cat {filename} | more
ifconfig -a

11. Elevate rights to that of root
43
sudo
rmdir
finger

12. Shows who is currently logged in and where
ifconfig
chown
w
man

13. List files within a directory
rm
/dev
ls
df

14. Host-specific system-wide configuration files
du
df
service
/etc

15. View a text file - Use text editor and don't save.
mv
/etc
tail
pico {filename}

16. Prints current working directory
mv
uname -a
pwd
cd

17. Ftp Control
cat
25
21
netstat

18. Brings an interface up
ifup
/home
bg
nslookup

19. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
/boot
usermod
netstat
mv

20. Display all interfaces
/lib
man
110
ifconfig -a

21. HTTP
nslookup
host
ifconfig
80

22. SQL
killall
/bin
118
179

23. SSH
22
mv
netstat -i
touch

24. Temporarily mounted filesystems
80
groupadd
/mnt
'/'

25. Parses for string
cd
grep
tail
w

26. Secondary hierarchy for read-only user data
touch
man
/usr
115

27. POP3
date
115
df
110

28. Changes group ownership of file or directory
touch
chgrp
cd
ls

29. DNS
cat
pico {filename}
53
grep '{pattern}' {file}

30. Contains essential devices
head
/tmp
touch
/dev

31. Deletes a file
cp
443
usermod
rm

32. IMAP
finger
bg
143
'/'

33. Shows command history
history
passwd
grep
rmdir

34. Creates a directory
/sbin
du
netstat -i
mkdir

35. Displays the status of a service or all services
80
stat
ifconfig -a
service

36. Lists all stopped/paused background. Resumes a stopped job
cd
bg
ethtool
netstat -r

37. Displays a table of all network interfaces / errors
dig-x
chgrp
netstat -i
groupadd

38. Copies a file
top
cp
22
w

39. Changes directories
apropos
cd
/lib
man

40. ____ is found at: cd /var/mail then vi into each mail (administrator - www-data - nagios etc.)
'/'
/var/log
mail
top

41. Query internet name servers interactively
date
/proc
groupadd
nslookup

42. Essential command binaries that need to be available in single user mode; for all users - e.g. - cat - ls - cp.
/root
/dev
/bin
ifconfig

43. Find regular expression in file.

44. Removes a directory
rmdir
464
/usr
20

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

46. Kerberos password
fg
464
finger
/media

47. Search for all Unix commands that match keyword - e.g apropos file.
ping
156
apropos
ls -a

48. Kills all processes by name
179
pico {filename}
du -a
killall

49. SNMP
apropos
dig-x
161
sudo

50. BGP
netstat
w
179
ethtool