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. 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>






2. Commands used to change your current run-level






3. An ASCII text representation of LDAP entries that files used for importing data to an LDAP server must be in






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






5. 5 Common Solaris/Linux _______: SIGHUP - SIGINT - SIGQUIT - SIGKILL - SIGTERM






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






7. LDAP package that contains command line tools for viewing/modifying directories on an LDAP server






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






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






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






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






12. In Linux - the command that controls NFS function






13. Total number of inodes and blocks - block size - number of blocks/inodes per group and number or reserved blocks before the first block group






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






15. File where group memberships are established - inluding group names - encrypted password - GID - and users in each group






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






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






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






19. Surest kill






20. Command to view your swap partition in human readable format






21. Three Types of System Calls: ____________ - process control - and common controls






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






23. Default Run Level for Linux






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






25. File that maps IP addresses to hostnames and aliases






26. Two Types of Variables: Local and ________






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






28. System Calls: fork() - creates a child process - wait() - exit() - __________ - execl() - execlp() - execv() - execvp()






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






30. Command used to change parameters normally set with useradd






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






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






33. Default shell for most *Nix systems






34. In Linux - the command used to see if there is an exported file system running on a machine






35. Two Ways to Stop Services in Linux: Editing the _______ service file - and using the chkconfig command






36. Daemon that is used to configure network services in Solaris






37. These are found within the kernel layer at the level closest to the hardware






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






39. The core of the operating system that is loaded into memory at system boot; it manages the hardware and performs system services






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






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






42. 6 Hardware Interface Module Functions: ________ - memory management - interrupt handling - low level device control - disk system management - Process synchronization & IPC






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






44. 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






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






46. Three File Types: Ordinary - Directory - _______






47. The main configuration file for BIND






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






49. Terminal (CTRL+C) - Administrator ("kill") - Kernel (divide by zero)






50. Default Run Level for Solaris