Method and system for creating and employing an operating system having selected functionality

• US 6,993,642 B2
• Filed: 07/24/2001
• Issued: 01/31/2006
• Est. Priority Date: 07/24/2001
• Status: Expired due to Fees

• Current Assignee: Microsoft Technology Licensing LLC (Microsoft Corporation)
• Original Assignee: Microsoft Corporation
• Inventors: Harikrishnan, Seetharaman, Jayaseelan, Vijayachandran, Burkhardt, Ryan, Yaryan, Tom, Bond, Richard, Shetty, Vijesh
• Primary Examiner(s): Lee, Thomas
• Assistant Examiner(s): SURYAWANSHI, SURESH
• Application Number:
  US09/912,864
• Publication Number:
  US 20030023839A1
• Time in Patent Office: 1,652 Days
• Field of Search: 713/1, 713/2, 713/100, 717/174, 717/175, 717/168, 710/10
• US Class Current: 713/1
• CPC Class Codes: G06F 8/63 Image based installation; Cloning; Build to order
• CPC Class Codes: G06F 9/4416 Network booting; Remote initial program loading [RIPL]

Abstract

A system and method of creating and employing an operating system (OS) image having selected functionality. A user, such as an original equipment manufacturer (OEM) of personal computers (PCs) or an information technology professional, selects a set of OS components from a plurality of OS components available in an installation OS image. The selected set of OS components is installed as the OS image on a computer readable medium such as a CD-ROM. The OS image includes a script for interacting with the OS image to perform functions desired by a user, such as booting a destination computer and installing a reference OS image or recovering the destination computer from a failed installation of the reference OS image.

Claims

1. A computerized method comprising:

providing a user with access to a text-based script;

editing, by the user, the text-based script to provide a user-customized, text-based script;

booting a first computer from a reduced operating system image on a tangible computer readable medium, wherein said reduced operating system image is of a full operating system image of a second computer having a hardware independent of the first computer; and

performing one or more functions on the first computer according to the user-customized, text-based script, wherein the computerized method is architecture independent.

2. The computerized method of claim 1, wherein performing comprises installing a frill operating system image on the first computer.

3. The computerized method of claim 2, wherein the first computer includes a mass storage device and wherein performing comprises partitioning the mass storage device.

4. The computerized method of claim 2, wherein the first computer includes a mass storage device and wherein performing comprises formatting the mass storage device.

5. The computerized method of claim 4, wherein formatting comprises formatting the mass storage device with a file system in a format supported by the reduced operating system image.

6. The computerized method of claim 2, wherein performing further comprises validating the hardware of the first computer.

7. The computerized method of claim 6, wherein the reduced operating system image includes protected mode hardware drivers operable in a protected mode of the reduced operating system image, wherein validating comprises:

prior to installing, validating the hardware using protected mode hardware drivers.

8. The computerized method of claim 2, wherein installing comprises copying one or more files associated with the full operating system image to the first computer and integrating the files.

9. The computerized method of claim 8, wherein the script identifies a plurality of steps in which the files are copied and integrated and wherein the script identifies the sequence in which the plurality of steps are executed.

10. The computerized method of claim 1, wherein the first computer has a 64-bit architecture.

11. The computerized method of claim 1, wherein the first computer has an architecture greater than 32-bits.

12. The computerized method of claim 1, wherein booting comprises:

setting a flag; and

responsive to the set flag, enabling functionality within the reduced operating system image.

13. The computerized method of claim 12, further comprising allowing user mode software to perform configuration responsive to the set flag.

14. The computerized method of claim 12, wherein functionality includes loading configuration information into volatile memory.

15. The computerized method of claim 1, wherein the computer readable medium includes the script.

16. The computerized method of claim 1, wherein the script is remote from the computer readable medium.

17. The computerized method of claim 1, wherein performing comprises recovering the computer from failure of software.

18. The computerized method of claim 17, wherein the software includes an operating system or an application program.

19. The computerized method of claim 1, wherein the computer readable medium is accessible by the computer via a network.

20. The computerized method of claim 1, further comprising editing the user-customized, text-based script so that performing installs another operating system.

21. One or more computer readable media having computer-executable instructions for performing the method recited in claim 1.

22. The full operating system image on the first computer resulting from the computerized method of claim 2.

23. A system comprising:

means for editing, by a user, a text-based script to provide a user-customized, text-based script;

means for booting a first computer from a reduced operating system image on a tangible computer readable medium, wherein said reduced operating system image is of a full operating system image of a second computer having hardware independent of the first computer, and said reduced operating image is hardware independent; and

means for performing one or more functions on the first computer according to the user-customized, text-based script to install the reduced operating system image on the first computer.

55. The system of claim 23, wherein the means for editing comprises an application program.

24. A computerized method comprising:

providing a user with access to a text-based script;

editing, by the user, the text-based script to provide a user-customized, text-based script;

booting a first computer from a reduced operating system image on a tangible computer readable medium, wherein said reduced operating system image is of a full operating system image of a second computer having a hardware independent of the first computer; and

installing a full operating system image on the first computer according to the user-customized, text-based script, wherein booting and installing include only one re-boot of the computer and the computerized method is architecture independent.

25. The computerized method of claim 24, wherein the script is located on the computer readable medium.

26. The computerized method of claim 24, further comprising validating the hardware of the first computer.

27. The computerized method of claim 24, wherein the first computer includes a mass storage device and wherein installing comprises formatting the mass storage device.

28. The computerized method of claim 24, wherein installing comprises copying one or more files associated with the fill operating system image to the first computer and integrating the files.

29. The computerized method of claim 28, wherein the script identifies a plurality of steps in which the files are copied and integrated and wherein the script identifies the sequence in which the plurality of steps are executed.

30. The computerized method of claim 24, wherein the first computer includes the computer readable medium.

31. A system comprising:

a first operating system image with operating system components selected by a user, said first operating system image being hardware independent;

a first computer having a second operating system image, said first operating system image being reduced relative to said second operating system image; and

a text-based script file customizable by a user which interacts with the first operating system image to install the second operating system image on a second computer having hardware independent from the first computer, wherein said text-based script file includes text editable by a user.

32. The system of claim 31, wherein each of the operating system components comprises at least one file.

33. The system of claim 31, wherein the operating system components include hardware drivers.

34. The system of claim 31, wherein the second operating system image includes a plurality of operating system components and wherein the first operating system image includes a subset of the plurality of operating system components.

35. The system of claim 31, wherein the second computer has a 64-bit architecture.

36. The system of claim 31, wherein the script file is operative on a computer having an architecture greater than 32-bits.

37. A tangible computer readable recovery medium for use with a first computer, having a full operating system image, and for use with a second computer comprising:

a reduced operating system image of the full operating system image of the first computer wherein the reduced operating system image is hardware independent; and

a text-based script file which interacts wit the reduced operating system image to direct recovery from failure of software on the second computer, and wherein said text-based script file includes text editable by a user, and the second computer has hardware independent from the first computer.

38. The computer readable recovery medium of claim 37, wherein the software includes another operating system image.

39. A computerized method comprising:

selecting a subset of operating system components from a plurality of operating system components of a first computer based on a desired functionality to be enabled;

generating a list of files associated with the selected subset of operating system components, said generated list of files being text-based and editable by a user; and

installing the selected subset of operating system components on a tangible destination medium as the reduced operating system image, wherein installing includes copying the files from an installation medium to the tangible destination medium; and

using the tangible destination medium to boot a second computer having hardware independent from the first computer, wherein the computerized method is architecture independent.

40. The computerized method of claim 39, wherein the operating system components include hardware drivers.

41. The computerized method of claim 39, further comprising creating at least one hive, wherein installing includes copying the created hives to the destination medium.

42. The computerized method of claim 39, wherein installing further comprises integrating the files on the destination medium.

43. The computerized method of claim 39, further comprising selecting additional operating system components, and wherein installing comprises installing the additional operating system components on the destination medium.

44. One or more computer readable media having computer-executable instructions for performing the method recited in claim 39.

45. The reduced operating system image on the destination medium resulting from the computerized method of claim 39.

46. A system comprising:

means for selecting a subset of operating system components from a plurality of operating system components of a first computer based on a desired functionality to be enabled;

means for generating a list of files associated with the selected subset of operating system components, said generated list of files being text-based and editable by a user; and

means for installing the selected subset of operating system components on a tangible destination medium as the reduced operating system image which is hardware independent, wherein installing includes copying the files from an installation medium to the tangible destination medium;

means for using the tangible destination medium to boot a second computer having hardware independent from the first computer.

47. A system for creating a reduced operating system image on a tangible destination medium from a plurality of operating system components, said system comprising:

at least one application program which, when executed by one or more processors on a computer, causes the one or more processors to perform acts including allowing a user to select a set of operating system components from the plurality of operating system components of a first computer and generating a list of files associated with the selected set of operating system components, said selected operating system components being selected to enable a desired functionality, said generated list of files being text-based and editable by the user; and

operating system component modifications which allow the selected set of operating system components to execute as the reduced operating system image on a second computer wherein the reduced operating system image is hardware independent and the second computer has hardware independent from the first computer.

48. The system of claim 47, further comprising a text-based script for directing performance of one or more functions by the reduced operating system image.

49. The system of claim 48, wherein the functions include one or more tasks selected from the group consisting of:

recovering the second computer from software failure, backing up and/or restoring data on the second computer, remotely troubleshooting the second computer, and using the computer executing the application program as a remote thin client for the second computer.

50. The system of claim 47, wherein the set of operating system components is a subset of the plurality of operating system components.

51. The system of claim 47, further comprising additional operating system components not present in the plurality of operating system components, and wherein the application program, when executed, further causes the one or more processors to perform acts including allowing the user to add at least one of the additional operating system components to the selected set of operating system components.

52. The system of claim 47, wherein the operating system component modifications include writing state information to volatile memory.

53. The system of claim 47, wherein the application program, when executed, further causes the one or more processors to perform acts including generating the reduced operating system image.

54. The system of claim 47, wherein the application program, when executed, further causes the one or more processors to perform acts including creating at least one hive.