Pengenalan Sistem Operasi 2

Layanan yang disediakan sistem operasi :

1. program development.
• editor and debuggers.
2. program execution.
• OS handles scheduling of numerous tasks required to execute a program.
3. access I/O devices.
• each device will have unique interface.
• OS presents standard interface to users.
4. controlled access to file.
• accessing different media but presenting a common interface to users.
• provides protection in multi-access systems.
5. system access.
• controls access to the system and its resources.
6. error detection and response.
• internal and external hardware errors.
• software errors.
• operating system cant grant request of application.
7. accounting.
• collect usage statistics.
• monitor performance.

Penyebab evolusi sistem operasi :

1. munculnya hardware jenis baru.
2. layanan baru yang dibutuhkan pengguna.
3. perbaikan (pathes/ bug fixes).