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. Allow the user to share file systems among networked connections






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






3. Phase with a sole function of loading the secondary boot program - ufsboot - and executing it






4. Makes the new home directory if it does not exist






5. Command that allows files to be "memory mapped" by application programs






6. The profile in UNIX that all users get _______ using their own profile






7. Used by the cd Command when no argument follows






8. 'K' and 'S' in rc scripts: K is Kill - S is _______






9. Two Basic Components of ___: Superblock data structure and Group Descriptor Table






10. Phase where the kernel initializes itself and begins loading modules using ufsboot. Once finished - it unmaps ufsboot






11. Command used to convert/sync information in the /etc/passwd and /etc/shadow files






12. Extra permission bit that allows anyone to run a program with the same privileges as its owner or group - denoted by *






13. 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






14. Two Servers in openldap-servers: /usr/sbin/slapd and ________






15. Device Name that is used by the system administrator to refer to a particular device by using symbolic links - stored in the /dev directory






16. Command to view your swap partition






17. File that maps IP addresses to hostnames and aliases






18. This Layer includes hardware such as CPU - system memory - the terminal - disks - CD-ROM - and NIC






19. The data structure that contains metadata for every file and directory - has a fixed 128 bye size






20. Similar to -k; shows block size for each mounted file system






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






22. Commands that reveals all *nix file systems - including disk space usage and their logical mount points






23. Two Types of _______________: Root (AKA Boot) and Swap






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






25. Device Name that the kernel uses to refer to devices on the system - IE 'sd' for IDE drive - 'fd' for floppy disk - etc






26. LDAP package that contains the libraries necessary to run the Open LDAP server






27. Hangup - restarts a daemon






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






29. Three File Types: Ordinary - Directory - _______






30. Command used to view system calls accessed during the execution of a command on Solaris systems






31. Ordinary file that contains only printable characters






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






33. Two Ordinary File Types: Text and ______






34. 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






35. In Linux - the command that controls NFS function






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






37. Device Name that represents the "full device" pathname for a device - located in the /devices directory






38. Command used to create a new group






39. located 1024 bytes from the start of the file system and is 1024 bytes in size






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






41. Command will show your used and free inodes






42. File type that does not contain any "data" - but has attributes associated with it






43. 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






44. Command will show your used and free inodes






45. In Solaris - the software that handles all of the DNS configuration






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






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






48. In Solaris - the daemon required to use NFS






49. This Layer includes hardware such as CPU - system memory - the terminal - disks - CD-ROM - and NIC






50. When a user process executes a system call and begins executing kernel code