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






2. Hangup - restarts a daemon






3. Command will show your used and free inodes






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






5. The command to report file system disk space usage






6. Default shell for most *Nix systems






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






8. This file type contains only data as a stream of characters - also known as a regular file






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






10. For Samba - it implements file and print services - as well as authentication and authorization






11. Four Phases of the Solaris Boot Process: _______ - Boot Programs - Kernel - and Init






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






13. Frees up memory when a process runs short of memory


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






15. Allows you to change a variable in the sysctl.conf






16. Daemon that lists port/service mappings






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






18. Programs similar to GINA in Windows that provides the login prompt






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






20. Commands used to change your current run-level






21. Command used on a Linux system to view the disk's physical partitioning scheme






22. Can be configured to restrict the activities of users by modifying the last entry in the /etc/passwd






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






24. Three Main Areas of ________________: Server Root - Document Root - Default Error Log






25. A low level program that allows the kernel to communicate with the specific piece of hardware






26. The main configuration file for Apache






27. Presents each user with a prompt - executes user commands - and supports a custom environment for each user






28. Device Information Command that displays system config info including total memory and device configuration






29. Returns system information pertaining to the platform






30. Three Reference Files on _____ for BASH: .bash_profile - .profile - or .bash_login






31. 4 Kernel Layer Functions: Process creation and termination - ________- file/disk access services - terminal handling services






32. File that controls how hostnames are resolved system-wide






33. Gives UNIX/Linux users the ability to access shared resources on Windows machines by implementing CIFS






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






36. File that contains information on the user's password and data - including encrypted password - min/max days of password change - inactivity timeframe - etc






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






38. A simple data structure that contains the file name and the inode address where the file's metadata can be found - also contains a pointer to the next entry






39. init loads from /sbin/init - reads the /etc/inittab file and executes the listed run-control scripts located in /sbin/rd*.d






40. 6 Hardware Interface Module Functions: ________ - memory management - interrupt handling - low level device control - disk system management - Process synchronization & IPC






41. A file that contains the name of another file - similar to a shortcut; ln -s <targetfile> <linkfile>






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






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






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






45. File type also known as a folder - it contains other files and directories but will not contain actual data






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






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






48. Default Run Level for Solaris






49. Command that verifies the current run-level






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