System, method, and medium for configuring client computers to operate disconnected from a server computer while using a master instance of the operating system

A computer system, comprising:

• a server computer comprising:
• at least one master operating system (OS), comprising a set of computer program files and at least one configuration file to operate a computer, and
• a version managing program maintaining the at least one master OS;
• a plurality of client computers each of which is configured to operate using a designated one of the at least one master OS as read-only files.

A computer assisted method comprising the acts of:

• creating a master operating system (OS) comprising a set of computer program files and at least one configuration file to operate a computer;
• maintaining the master OS;
• and
• transferring the master OS as read-only files to one of a plurality of client computers.

A computer program product, residing on a computer-readable medium, the computer program product comprising computer instructions to:

• create a master operating system (OS) comprising a set of computer program files and at least one configuration file to operate a computer;
• maintain the master OS;
• and
• transfer the master OS as read-only files to one of a plurality of client computers.