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. The command to report file system disk space usage






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


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






4. Command to view your swap partition






5. Command that verifies the current run-level






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






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






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






9. Commands used to change your current run-level






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






11. 5 Common Solaris/Linux _______: SIGHUP - SIGINT - SIGQUIT - SIGKILL - SIGTERM






12. Command in Solaris that lists the modules that are currently loaded






13. Surest kill






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






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






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






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






18. Quit from terminal






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






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






21. Device file for devices such as floppy drive - CDROM - etc; located in the /dev/dsk directory






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






23. The command to report file system disk space usage






24. Default termination signal






25. 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






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






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






28. 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






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






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






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






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






33. Command that can easily change timestamps on *Nix systems






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






35. 6 Hardware Interface Module Functions: ________ - memory management - interrupt handling - low level device control - disk system management - Process synchronization & IPC






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






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






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






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






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






41. 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>






42. Device Information Command that displays system diagnostic messages and a list of attached devices






43. Applys changes to /etc/sysctl.conf






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






45. In Linux - the command that controls NFS function






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






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






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






49. Command that shows disk space usage and logical mount points in a human readable format






50. LDAP package that contains the servers and other utilities necessary to configure and run the LDAP server