I am writing a bash script for Mac OS X Lion 10.7, I want to know how to check the version of the operating system in bash, if the version is 10.7.1, then it will execute the command and Continue t
Tag: Operating System
How to use VBScript on a 32-bit operating system to display 64-bit double numbers?
I have a device that contains a 64-digit (double) parameter. I can use the Modbus protocol to read its Double parameter in two parts. So I use a bitwise operation to divide the 64-digit number into
Operating system – how to protect the kernel
My question is how does the operating system protect its kernel part.
From what I found, there are basically two modes of kernel and users If the memory segment is a kernel or user space segm
What is the difference between the operating system – program, executable programs and processes?
I want to know what is the difference between a program, an executable file and a
processing? in a nutshell –
Program: A program is a set of human-readable formats (HelloWorld.c)
Ex
Embedded-test hardware real-time operating system
I have an embedded device (Technologic TS-7800) that advertises real-time functionality, but I didn’t say “hard” or “soft”. When I waited for the manufacturer’s response, I thought There is no ha
Operating system login
linux:
Method 1: Command line interface ssh
1, Redhat
2, Ubuntu
Method 2: Image desktop
Ubuntu :
Install ssh??
yum install openssh-server
vi /etc/ssh/sshd.conf
sudo service
Operating system – process control
Appendix 1. Process creation #include#includemain(){ int p1, p2; if(p1=fork()) /*The parent process was created successfully*/ putchar(‘b’); else {if(p2=fork()) /*The parent process was created suc
WPF application and operating system
WPF applications are only available for win XP, Win vista and Windows 7. This is true. We cannot run on Windows 2003 servers. If WPF has any content, please discuss the limitations. WPF works fi
[Research “] Operating System D3: Storage Management
1. Basic concepts of storage management
2. Single continuous partition storage Management
3. Page-based storage management**
5. Others
PS: Many years ago, when people were s
Write an operating system 2 – Install BOCHS Virtual Machine
Take the ubuntu operating system as an example
I. Command line installation
sudo apt-get install vgabios bochs bochs-x bximage
This The method is convenient, but it is said that t