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Test your basic knowledge |
Linux Administration
Start Test
Study First
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. Creates a group for users
groupadd
finger
date
179
2. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
110
/bin
/boot
groupadd
3. Virtual filesystem documenting kernel and process status as text files - e.g. uptime or network. In Linux it corresponds to a Procfs mount
ifconfig
cd
ethtool
/proc
4. Displays system uptime
top
uptime
/dev
cat > {filename}
5. Creates a directory
passwd
date
23
mkdir
6. HTTP
80
file
/mnt
rm
7. Find regular expression in file.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
8. IMAP
143
service
head
ifdown
9. Essential system binaries : init - ip - mount
/opt
uptime
/sbin
passwd
10. Checks web connectivity (displays page contents)
/sbin
443
curl
179
11. Creates a file / updates it
touch
156
netstat -r
ps
12. Test network connectivity
mkdir
ping
/lib
pico {filename}
13. Displays a table of all network interfaces / errors
du
bg
w
netstat -i
14. Changes password for a user
df
passwd
143
pwd
15. 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.
/var
110
cat {filename}
chgrp
16. View a text file - Very handy with ncftp.
/opt
kill
page {filename}
df
17. Brings and interface down
ifdown
cd
/lib
/var
18. Lists all files within a directory (including hidden)
/opt
80
ls -a
ifconfig -a
19. Configuration for optional installed software
/root
/proc
443
/opt
20. Displays manual or help document for a command/application
uname -a
ls
/mnt
man
21. Telnet
23
uname -a
cal
wget
22. HTTPS
443
110
man
mkdir
23. SQL
/home
usermod
21
118
24. Displays all file space usage
du -a
ls
dig
du
25. Host-specific system-wide configuration files
chown
ifconfig
/etc
netstat
26. List files within a directory
ls
killall
nslookup
stat
27. SMTP
uptime
25
top
/lib
28. Displays the 10 bottom lines of a file
kill
143
curl
tail
29. User root's home directory
top
tail
netstat
/root
30. Users' home directories - containing saved files - personal settings - etc
/home
ifdown
156
/var
31. Downloads a file from the internet
ifdown
/var/log
wget
uname -a
32. Log files
/sbin
/var/log
page {filename}
service
33. Prints network connections - routing tables - interface stats - masq connections and multicast relationships
netstat
80
du
/etc
34. Changes group ownership of file or directory
/home
cat
dig-x
chgrp
35. Kills a process by pid
464
mv
kill
uname -a
36. Reverse dns lookup
dig-x
115
/etc
service
37. Changes directories
uptime
cd
kill
passwd
38. Does a DNS lookup or reverse dns lookup
host
/var/log
sudo
kill
39. Kerberos password
ifconfig -a
464
uptime
nslookup
40. SFTP
/etc
464
netstat
115
41. Displays Kernel information
man
uname -a
cat {filename}
nslookup
42. Prints file type
cp
ifup
file
host
43. Create a text file: Enter your text (multiple lines with enter are ok) and press control-d to save.
file
cat > {filename}
du
ifdown
44. Adds existing user to a group
netstat -r
usermod
curl
host
45. Displays the connection media state and capabilities
history
top
/home
ethtool
46. Essential command binaries that need to be available in single user mode; for all users - e.g. - cat - ls - cp.
rm
pico {filename}
/bin
man
47. Secondary hierarchy for read-only user data
bg
cp
/opt
/usr
48. Displays all current running processes (similar to task manager)
head
/dev
top
ping
49. Parses for string
22
usermod
mv
grep
50. POP3
du
cal
/home
110