Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join our 1000-member tech exchange QQ group, note 【public account】 for faster approval 1. Classic Review of C File Interfaces When using C, we typically use functions like fopen, fwrite, fread, and fclose to access files. 1.2 fwrite For example, I need to … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the technical exchange QQ group with 1000 members, note [Official Account] for faster approval 1. Establishing Links ln can be used to create links, but ln creates hard links by default. If you add the -s option, it creates a soft link … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇1000 people technical exchange QQ group, note 【public account】 for faster access Introduction The Linux operating system, with its powerful stability, flexibility, and openness, plays an important role in servers, desktops, and embedded systems. In the world of Linux, files and directories are the … Read more
For those who are new to Linux, the variety of file names associated with Linux can be quite confusing. Take compressed files as an example; we know that the most common compressed files in Windows are just two types: .zip and .rar. However, Linux is different. It has many types of compressed file names such … Read more
Click on the above “Mechanical and Electronic Engineering Technology” to follow us 1. API In Linux system programming, file read and write involve a series of standard POSIX APIs. Here are some commonly used file operation-related APIs and their detailed descriptions: open() Function The open() function is used to open a file and returns a … Read more
▼Click the image below to search for the code【001】, and receive154-page Linux study notes. cd Change directory: > cd ../ # Change to the parent directory > cd /tmp # Change to the /tmp directory > cd ~ # Change to the current user's home directory ls command Command to view files and directories, abbreviation … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the technical exchange QQ group with 1000 members, note 【Public Account】 for faster approval 1. Getting Input When building a simple Shell, the first step is to get input and obtain environment variables: it can run like a shell and retrieve some … Read more
Click the blue text above to follow us 1 Disclaimer The tools, tutorials, learning paths, and quality articles provided by this public account are either original or collected from the internet, aimed at improving network security technology levels for technical research purposes. Please comply with relevant national laws and regulations, and do not use them … Read more
Introduction Linux is a type of Unix operating system, designed and developed by Linus Torvalds while studying at the University of Helsinki in 1991. Today, the Linux family has nearly 140 different versions that all use the Linux kernel. Advantages of Linux Operating System Free and Open Source: Open source code Security: No need for … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇1000-person technical exchange QQ group, note 【public account】 for faster approval 1. Installing the Linux Environment 1. Bare metal installation or dual system 2. Virtual machine installation 3. Cloud server (recommended) -> Easy to install, low maintenance cost, good learning effect, high simulation (multiple … Read more