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






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






3. Command to view your swap partition






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






5. Command used to view RPC services and their appropriate ports






6. Default Run Level for Linux






7. Command used to switch to a new group before creating a file that would be used by a different current group - similar to 'su'






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






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






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






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






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






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






14. 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






15. Where master copies of the startup scripts resides






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






17. Software interrupt that's processed immediately that's generated by a currently running process






18. File that specifies machines to use for name resolution






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






20. In Solaris - the daemon required to use NFS






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






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






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






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






25. 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






26. Command used to change parameters normally set with useradd






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






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






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






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






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






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






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






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






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






36. Command used to print UID and GID






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






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






39. Default termination signal






40. 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






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






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






43. Hangup - restarts a daemon






44. Command used to create a new group






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






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






47. Four Ext* _________: Modify - Access - Change - Delete






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






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






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