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. SFTP
cat
cal
rmdir
115

2. Changes password for a user
passwd
df
usermod
118

3. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
netstat
/opt
dig
/boot

4. Secondary hierarchy for read-only user data
ifdown
179
/var/log
/usr

5. dns lookup
dig
cat {filename} | more
23
cat

6. Kerberos password
file
touch
ifup
464

7. Reports a snapshot of the current processes
ps
/var
netstat -r
cat {filename}

8. HTTP
bg
80
du
netstat

9. Configuration for optional installed software
/opt
date
tail
/sbin

10. View a text file - Use text editor and don't save.
/usr
pico {filename}
cat {filename}
usermod

11. Deletes a file
w
/mnt
rm
rmdir

12. Checks web connectivity (displays page contents)
'/'
ethtool
w
curl

13. Prints contains of text file
netstat -i
20
cat
/var

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

15. Report file system disk space usage
/sbin
rm
21
df

16. Creates a directory
ethtool
pico {filename}
mkdir
finger

17. Telnet
/proc
uptime
rmdir
23

18. Kills a process by pid
man
/opt
kill
pico {filename}

19. Prints file type
top
file
curl
ls -a

20. Search for all Unix commands that match keyword - e.g apropos file.
apropos
156
page {filename}
/bin

21. SSH
df
22
dig-x
161

22. Adds existing user to a group
w
161
usermod
kill

23. Displays calendar
43
cal
netstat
/boot

24. Brings an interface up
dig-x
ifup
sudo
ls

25. Host-specific system-wide configuration files
ps
115
/etc
53

26. Displays the connection media state and capabilities
rm
ethtool
pwd
/proc

27. User root's home directory
/root
cat {filename}
23
ifup

28. Ftp Control
mkdir
cat > {filename}
21
netstat -r

29. Prints current working directory
464
43
pwd
nslookup

30. Displays system uptime
du
uptime
touch
156

31. WHOIS
43
groupadd
ifup
nslookup

32. Displays the 10 top lines of a file
file
top
head
53

33. HTTPS
23
53
/opt
443

34. Displays a table of all network interfaces / errors
man
netstat -i
/var/log
ifconfig -a

35. SMTP
nslookup
464
killall
25

36. Displays Kernel information
80
/root
uname -a
ifconfig -a

37. Displays all current running processes (similar to task manager)
stat
tail
chgrp
top

38. Brings and interface down
ping
ifdown
chgrp
118

39. Changes directories
ls
cd
161
/dev

40. Temporarily mounted filesystems
pwd
/mnt
/lib
stat

41. ____ is found at: cd /var/mail then vi into each mail (administrator - www-data - nagios etc.)
/boot
mail
netstat
/home

42. Mount points for removable media such as CD-ROMs
'/'
/media
ps
/tmp

43. Lists all files within a directory (including hidden)
/etc
ls -a
page {filename}
host

44. Creates a group for users
groupadd
179
history
rmdir

45. Lists all stopped/paused background. Resumes a stopped job
bg
chown
/media
'/'

46. Changes ownership of a file or directory
chown
cat
cat {filename} | more
/sbin

47. Display all interfaces
115
grep '{pattern}' {file}
ifconfig -a
/boot

48. Displays manual or help document for a command/application
man
less {filename}
wget
touch

49. Parses for string
grep
bg
stat
cd

50. Displays current date and time
ifconfig -a
ping
143
date