- Tanenbaum & Bos, Modern Operating Systems: 4th ed., Global Edition (c) 2015 Pearson Education Limited. All rights reserved.
Memory - Paraphrase of Parkinson’s Law, ‘‘Programs expand to fill the memory available to hold them.’’
- Average home computer nowadays has 10,000 times more memory than the IBM 7094, the largest computer in the world in the early 1960s
- Tanenbaum & Bos, Modern Operating Systems: 4th ed., Global Edition (c) 2015 Pearson Education Limited. All rights reserved.
- Tanenbaum & Bos, Modern Operating Systems: 4th ed., Global Edition (c) 2015 Pearson Education Limited. All rights reserved.
- Figure 3-2. Illustration of the relocation problem. (a) A 16-KB program. (b) Another 16-KB program. (c) The two programs loaded consecutively into memory.
- Tanenbaum & Bos, Modern Operating Systems: 4th ed., Global Edition (c) 2015 Pearson Education Limited. All rights reserved.
- Figure 3-3. Base and limit registers can be used to give each process a separate address space.
- Tanenbaum & Bos, Modern Operating Systems: 4th ed., Global Edition (c) 2015 Pearson Education Limited. All rights reserved.
Swapping (1) - Tanenbaum & Bos, Modern Operating Systems: 4th ed., Global Edition (c) 2015 Pearson Education Limited. All rights reserved.
Swapping (2) - Figure 3-5. (a) Allocating space for a growing data segment. (b) Allocating space for a growing stack and a growing data segment.
- Tanenbaum & Bos, Modern Operating Systems: 4th ed., Global Edition (c) 2015 Pearson Education Limited. All rights reserved.
Chia sẻ với bạn bè của bạn: |