I know the definition of deadlock and hunger, but I am still confused about these points (can’t figure out which one is correct)
> a) Deadlock is an extreme case of hunger
> b) Deadlock and h
Category: Os Theory
The main functions of the operating system are resource management, program control and human-computer interaction. The resources of a computer system can be divided into two categories: equipment resources and information resources. Device resources refer to the hardware devices that make up the computer, such as the central processing unit, main memory, disk storage, printers, tape storage, monitors, keyboard input devices, and mice. Information resources refer to various data stored in the computer, such as files, program libraries, knowledge bases, system software and application software, etc.
MacOS – Check the operating system version, then issue a command in the correct version
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
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
CRC-CCITT 16-bit Python manual calculation
Problem
I am writing code for embedded devices. Many solutions for CRC-CCITT 16-bit calculations require libraries.
Possible solutions
The following CRC calculation was found onli
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
Template – Options with Miss Nest Help Hash and Handle?
For example, is there a way to nest the hash variable of my “i18n” helper in another helper?
{{view “SearchView” placeholder=”{{t’search.root’}}” ref=”search” url=”/pages/search” className=’h
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
BYTE – CRC16 Recommend Java
I have a problem when calculating the CRC-16 implementation of a byte array in java. Basically I am trying to send the bytes to the RFID that starts to write the tag. I can use the mac Check the tc
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