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. Reports a snapshot of the current processes
ps
host
ethtool
history

2. Configuration for optional installed software
20
23
/usr
/opt

3. Estimate file space usage
ethtool
/mnt
du
/var/log

4. Prints current working directory
finger
cat {filename}
top
pwd

5. DNS
53
netstat
touch
fg

6. Displays current date and time
grep
mail
host
date

7. Test network connectivity
ping
kill
43
pico {filename}

8. Changes group ownership of file or directory
top
chgrp
date
bg

9. BGP
110
80
115
179

10. Ftp Data
grep '{pattern}' {file}
less {filename}
20
ethtool

11. Report file system disk space usage
df
53
cat {filename}
ethtool

12. Libraries essential for the binaries in /bin/ and /sbin/
/lib
dig
22
ifup

13. Brings the most recent job to the foreground
cat {filename} | more
mv
fg
uname -a

14. Displays the connection media state and capabilities
rmdir
ethtool
service
mail

15. Display all interfaces
464
ifconfig -a
22
161

16. View a text file - View file one screen at a time
cat {filename} | more
/lib
groupadd
23

17. SNMP
161
464
rm
rmdir

18. Find regular expression in file.

19. Adds existing user to a group
pico {filename}
/var
'/'
usermod

20. SFTP
115
service
nslookup
file

21. IMAP
less {filename}
rmdir
wget
143

22. Create a text file: Enter your text (multiple lines with enter are ok) and press control-d to save.
service
cat {filename}
man
cat > {filename}

23. WHOIS
kill
43
killall
cal

24. Users' home directories - containing saved files - personal settings - etc
chown
/home
kill
du -a

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

26. View a text file - Very handy with ncftp.
115
page {filename}
23
du

27. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
/boot
pwd
usermod
/usr

28. Brings and interface down
/mnt
161
passwd
ifdown

29. Check IP Addresses of active interfaces
du
sudo
161
ifconfig

30. Displays a table of all network interfaces / errors
/sbin
netstat -i
cp
fg

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

32. Removes a directory
touch
du -a
rmdir
uptime

33. SQL
ps
118
finger
cat > {filename}

34. Secondary hierarchy for read-only user data
/var
25
179
/usr

35. Displays the 10 bottom lines of a file
top
mv
tail
du -a

36. Telnet
23
dig
25
/boot

37. Elevate rights to that of root
/proc
sudo
ls -a
cp

38. Brings an interface up
cal
ifup
sudo
apropos

39. Changes password for a user
passwd
more {filename}
cp
/opt

40. dns lookup
161
rmdir
uptime
dig

41. Shows command history
history
/home
cat {filename} | more
groupadd

42. Displays the status of a service or all services
80
service
ps
host

43. SSH
53
wget
22
killall

44. Downloads a file from the internet
wget
/var
179
service

45. Checks web connectivity (displays page contents)
pico {filename}
grep '{pattern}' {file}
groupadd
curl

46. Log files
grep
/var/log
mail
top

47. Prints contains of text file
date
115
464
cat

48. Temporarily mounted filesystems
/mnt
file
/dev
dig

49. Displays user information
dig-x
ls
grep '{pattern}' {file}
finger

50. HTTP
rm
23
80
/mnt