How does Linux handle file permissions differently from Windows, and what implications does this have for system security?

Understanding the differences in file permission management between Linux and Windows systems is crucial for software developers and IT professionals, especially when dealing with cross-platform applications. In Linux, the file permission model is based on a combination of ownerships and permission bits, which allows for a clearer separation of read, write, and execute permissions for the owner, group, and others. This contrasts with Windows, which uses Access Control Lists (ACLs) that offer more granular control but can be more complex to manage. By exploring these differences, what can we infer about the inherent security measures each system offers? Moreover, how do these systems' permission models affect everyday tasks such as script execution, file sharing, and system administration?