Ask a question about loading and executing a program!

Source: Internet
Author: User

In an operating system that implements virtual memory through pagination, how does one mount an executable file through shell?
Like? Whether the process is as follows:

1) copy the shell process to the newProgramCreate a process;
2) create a page table for the new program in the memory, and map the disk image file of the executable program to the virtual address space of the process.
Medium;
3) Jump to the program entry point address in the virtual address space of the process for execution;

Each step involves:
1) process management systems involved;
2) Virtual Memory Management Systems and disk file systems;
3) Process Management System;

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.