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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. Reports a snapshot of the current processes
ifdown
143
ps
service
2. Root directory of file system (not the user root's home dir)
'/'
3. Kills all processes by name
/sbin
killall
stat
/home
4. Shows command history
mv
history
cat {filename}
file
5. Displays the 10 bottom lines of a file
43
host
cp
tail
6. Host-specific system-wide configuration files
/media
/etc
rmdir
chgrp
7. Parses for string
25
/opt
du -a
grep
8. Displays all file space usage
du -a
/mnt
tail
nslookup
9. Essential command binaries that need to be available in single user mode; for all users - e.g. - cat - ls - cp.
/bin
netstat -i
killall
ls
10. HTTP
netstat
chgrp
80
/usr
11. Deletes a file
cat
bg
rm
mkdir
12. HTTPS
156
443
usermod
kill
13. Temporarily mounted filesystems
/mnt
pwd
ifdown
cp
14. Kills a process by pid
kill
/lib
/tmp
ifconfig
15. Elevate rights to that of root
sudo
netstat -i
passwd
fg
16. Displays calendar
grep '{pattern}' {file}
cal
110
ethtool
17. Prints file type
file
curl
179
/mnt
18. SMTP
110
/usr
25
ping
19. Displays kernel routing tables
cal
netstat -r
mkdir
/sbin
20. Lists all stopped/paused background. Resumes a stopped job
ifdown
bg
grep
netstat -i
21. SFTP
/sbin
ifconfig
115
sudo
22. SQL
179
118
53
groupadd
23. Virtual filesystem documenting kernel and process status as text files - e.g. uptime or network. In Linux it corresponds to a Procfs mount
/proc
/sbin
pwd
du
24. Contains essential devices
/dev
cat {filename}
cal
du
25. 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
stat
/bin
df
26. Essential system binaries : init - ip - mount
/sbin
more {filename}
/dev
fg
27. SNMP
cp
161
ifconfig -a
21
28. Libraries essential for the binaries in /bin/ and /sbin/
mv
groupadd
/lib
man
29. Downloads a file from the internet
uname -a
dig
rm
wget
30. SQL
passwd
156
cal
stat
31. Contains Boot loader files - e.g. - kernels - initrd; often a separate partition
ifdown
df
cat > {filename}
/boot
32. Reverse dns lookup
w
/tmp
dig-x
/root
33. Telnet
man
grep '{pattern}' {file}
23
cat > {filename}
34. Creates a directory
/tmp
mkdir
110
chgrp
35. Displays the status of a service or all services
curl
service
143
rm
36. Checks web connectivity (displays page contents)
curl
/home
top
usermod
37. IMAP
file
more {filename}
23
143
38. BGP
161
179
w
25
39. Display all interfaces
143
/media
ifconfig -a
pwd
40. View a text file - View file one screen at a time
cat {filename} | more
pwd
161
du -a
41. Changes password for a user
du -a
passwd
file
man
42. Query internet name servers interactively
usermod
nslookup
file
ifup
43. Prints file information
cat > {filename}
stat
/media
du
44. Kerberos password
/var
464
netstat -r
curl
45. Check IP Addresses of active interfaces
ifconfig
/dev
groupadd
118
46. Prints contains of text file
chgrp
/usr
cat
sudo
47. Moves a file with the option of renaming it
mv
chown
cat {filename} | more
22
48. Creates a group for users
143
/etc
groupadd
156
49. Displays manual or help document for a command/application
143
man
touch
156
50. DNS
53
groupadd
/tmp
fg