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. In Solaris - the command that shares the file systems identified in the /etc/dfs/dfstab file






2. Device Information Command that displays device config information including hardware - pseudo devices - etc






3. Terminal Interrupt via user keypress






4. Command that assigns default permissions for a file or directory via a "subtraction" method






5. Provides the interface to allow user programs to access kernel functions






6. Creates a user with default group; if not given - a new group with the user's name will be created






7. Converts a process running in user mode to a protected kernel mode process






8. A pointer to a file's inode - can be thought of as having the linked file being "the same" as the original; ln <targetfile> <linkfile>






9. Used by the cd Command when no argument follows






10. 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






11. Command in Linux that provides an interface to allow you to examine and change parameters in /proc/sys






12. Three Unique _________ Characteristics: Cannot be renamed/deleted - has a user ID of 0 - and has a prompt of '#'






13. Controls the hardware that manages mapping of virtual to physical memory






14. A routine that can be invoked by a C program to access system resources






15. Secondary boot program that locates and load the basic kernel






16. Ordinary file that contains only printable characters






17. Three Steps of Kernel Phase: Create a user process - __________ - and starts other processes by reading /etc/inittab






18. Allows a device driver to be linked into and removed from the kernel while it is running






19. Three Files Associated with Each User: _________ - /etc/shadow - and /etc/group






20. For Samba - it provides name resolution and service announcement






21. The basic file allocation file unit for Ext* - whose size is defined by the superblock






22. Syntax to add a path to PATH variable






23. Allow the user to share file systems among networked connections






24. Default Run Level for Linux






25. The web server widely used in the public domain that was based off of a UNIX Web server






26. Used to describe the layout of block groups






27. 'Active Directory for Solaris' that is designed to eliminate the need to duplicate configuration data by using a centrailzed master server instead






28. Defines the way files are named - stored - organized - and accessed on a logical volume






29. The way used in LDAP to describe the format and attributes of data in the server






30. Where the actual HTML web pages reside - stored in /var/apache/htdocs






31. Default Run Level for Solaris






32. Four Fields of /etc/inittab: Label Name - __________ - Action - Command






33. 4 Kernel Components: __________ - process scheduler - memory management - and system services






34. In Solaris/Linux - the command used to mount a share from a server to a client's system






35. Ordinary file that contains both printable and non-printable characters - ex - most UNIX executables






36. Command that displays the names of the kernel parameters and their current values






37. Contains a list of entries for each user; includes a password placeholder ('x') - UID/GID - home directory - and default shell






38. Quit from terminal






39. Command that logs information to the Solaris syslog - specifically to the /var/adm/messages






40. Displays default values when adding a new user with no options






41. Device file for devices such as the terminal - tape drive - printer - etc; located in the /dev/rdsk directory






42. Command that displays the amount of free and used memory






43. Polls the /etc/inittab file after it has been modified






44. 6 Hardware Interface Module Functions: ________ - memory management - interrupt handling - low level device control - disk system management - Process synchronization & IPC






45. This Layer consists of user processes that are running - including Shells - UNIX commands - utility programs - and user application programs






46. Command in Linux that shows the status of loadable kernel modules that are currently loaded






47. User space (outer ring) - the area in memory where user processes run and Kernel space (inner ring) - where kernel services are provided via kernel processes






48. Two Daemons in Samba for _____ : smbd and nmbd






49. Command to view your swap partition






50. Two Forms of Apache: __________ and Source (source code)