Test your basic knowledge |

Unix Operating System

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. Programs similar to GINA in Windows that provides the login prompt
Kernel Phase
getty and ttymon
Ext*
newgroup

2. Command to view your swap partition
/etc/init.d
Restricted Shell
df -k
groupadd

3. Command that displays the names of the kernel parameters and their current values
getty and ttymon
sysdef
sysctl -p
df -k

4. Makes a socket normally for a TCP (two way) stream
socket()
Schema
Inode
id

5. Command used to convert/sync information in the /etc/passwd and /etc/shadow files
df -F ufs -o i
User Layer
File System
pwconv

6. Total number of inodes and blocks - block size - number of blocks/inodes per group and number or reserved blocks before the first block group
Run-level Field
smbd
Six Superblock Components
SIGINT 2

7. Command used to switch to a new group before creating a file that would be used by a different current group - similar to 'su'
df -h
Apache Directory Structure
newgroup
Berkeley Internet Name Daemon (BIND)

8. In Linux - the command used to see if there is an exported file system running on a machine
showmount -e <ip address>
Kernel Layer
LDAP Data Interchange Format (LDIF)
Inode

9. Programs similar to GINA in Windows that provides the login prompt
Process scheduling
getty and ttymon
share -F nfs /<path>
/etc/hosts

10. Four Phases of the Solaris Boot Process: _______ - Boot Programs - Kernel - and Init
Boot Prom
Process scheduling
df
sysdef

11. Command that can easily change timestamps on *Nix systems
/etc/nsswitch.conf
Network File System (NFS)
touch -m/-a
ufsboot

12. Four Phases of the Solaris Boot Process: _______ - Boot Programs - Kernel - and Init
I/O services
useradd -m
Run-level Field
Boot Prom

13. Command to view your swap partition in human readable format
openldap-servers
sh
Block File
df -h

14. Secondary boot program that locates and load the basic kernel
init and telinit
ufsboot
Network Information Service Plus (NIS+)
inetd.d

15. Device Information Command that displays system diagnostic messages and a list of attached devices
df -k
dmesg
Character File
usermod

16. This Layer contains the system call interface and handles the mapping between user request and device driver actions - as well as converting user system calls to kernel service calls
init and telinit
Kernel Layer
Interrupt handlers
SIGQUIT 3

17. Four Fields of /etc/inittab: Label Name - __________ - Action - Command
Group Descriptor Table
Device Names
Run-level Field
showmount -e <ip address>

18. File type that does not contain any "data" - but has attributes associated with it
shareall
System Call
Network File System (NFS)
Device File

19. Sysdef parameter that defines the maximum number of processes that will run on the system
max_nprocs
Directory File
Loadable Kernel Modules (LKM)
sysdef

20. Polls the /etc/inittab file after it has been modified
5 - Multi-user Mode
groupdel
telinit -q
sysctl -w

21. Loopback interface in ifconfig
Memory Management Unit (MMU)
lo0
who -r
uname()

22. init loads from /sbin/init - reads the /etc/inittab file and executes the listed run-control scripts located in /sbin/rd*.d
Init Phase
/etc/nsswitch.conf
Boot Prom Phase
Character File

23. Returns system information pertaining to the platform
5 - Multi-user Mode
User Layer
df
uname()

24. The command to report file system disk space usage
umask
sysctl -a
df
sh

25. Shows all possible parameters
Run-level Field
/sbin/service
sysctl -a
kill (sig -pid)

26. 4 Kernel Components: __________ - process scheduler - memory management - and system services
Interrupt handlers
telinit -q
/etc/inetd.conf
/etc/inid/nfs.client

27. The main configuration file for Apache
Boot Prom Phase
sysdef
df -F ufs -o i
/etc/apache/httpd.conf

28. Command to view your swap partition in human readable format
newgroup
Trap
df -h
SIGTERM 15

29. Command used on a Linux system to view the disk's physical partitioning scheme
fdisk -l
df -k
Six Superblock Components
unlink()

30. 'Active Directory for Solaris' that is designed to eliminate the need to duplicate configuration data by using a centrailzed master server instead
Ordinary File
Run-level Field
Loadable Kernel Modules (LKM)
Network Information Service Plus (NIS+)

31. Two Basic Components of ___: Superblock data structure and Group Descriptor Table
Symbolic Link - with syntax
free
Ext*
3 - Multi-User Mode

32. Converts a process running in user mode to a protected kernel mode process
System Call Interface
umask
Trap
truss

33. These are found within the kernel layer at the level closest to the hardware
df -h
SIGHUP 1
Hardware Interface Modules
System call

34. Command in Linux that provides an interface to allow you to examine and change parameters in /proc/sys
LDAP Data Interchange Format (LDIF)
Device File
sysctl
groupdel

35. Secondary boot program that locates and load the basic kernel
useradd -n
ufsboot
/etc/shadow
Run-level Field

36. Three Main Areas of ________________: Server Root - Document Root - Default Error Log
5 - Multi-user Mode
truss
Apache Directory Structure
Apache

37. Two Types of _______________: Root (AKA Boot) and Swap
Kernel Phase
sysctl -p
Memory Management Unit (MMU)
File System Structures

38. Three Steps of Kernel Phase: Create a user process - __________ - and starts other processes by reading /etc/inittab
start /sbin/init process
Apache Server Root
LDAP Data Interchange Format (LDIF)
Kernel Layer

39. Two Types of Variables: Local and ________
Environment
Lightweight Directory Access Protocol (LDAP)
/etc/apache/httpd.conf
openldap-servers

40. Three Reference Files on _____ for BASH: .bash_profile - .profile - or .bash_login
Six Superblock Components
Boot-up
Block File
Three Types of Signals

41. Three Types of _________: Physical - Instance - and Logical
'#'
groupdel
Device Names
sysctl

42. Default Run Level for Linux
5 - Multi-user Mode
Apache Error Log
SIGTERM 15
Trap

43. Phase that runs self diagnostics and verifying the system's hardware and memory - as well as POST - building the device tree - displaying the system banner - and running bootblk
Boot Prom Phase
Character File
Process States
Trap

44. Commands that reveals all *nix file systems - including disk space usage and their logical mount points
Process States
mmap()
df -k
.profile

45. Command to view your swap partition
Instance Device Name
df -k
share -F nfs /<path>
Inode

46. The core of the operating system that is loaded into memory at system boot; it manages the hardware and performs system services
Kernel
I/O services
Instance Device Name
System call

47. Three Steps of Kernel Phase: Create a user process - __________ - and starts other processes by reading /etc/inittab
dmesg
Boot Programs Phase
Six Superblock Components
start /sbin/init process

48. Defines the way files are named - stored - organized - and accessed on a logical volume
File System
df -k
Apache Error Log
Process scheduling

49. Where master copies of the startup scripts resides
5 - Multi-user Mode
/etc/init.d
df -k
ufsboot

50. Terminal Interrupt via user keypress
SIGINT 2
User to Kernel Transition Process
Network Information Service Plus (NIS+)
sh