(Click the public account above to quickly follow) English: Techbar, Translation: Linux China/geekpi linux.cn/article-2389-1.html If you have good articles to submit, please click → here for details I regularly use the Linux shell (Bash), but I often forget some useful commands or shell tricks. Yes, I can remember some commands, but they definitely won’t be … Read more
Linux History Command 1. Overview In the Linux system, the <span>history</span> command is a tool used to view the history of commands executed by the current user. It can improve command operation efficiency, facilitate troubleshooting analysis, and enhance auditing capabilities. The Linux Shell (such as Bash) by default records the commands executed by the user … Read more
In Linux systems, the <span>history</span> command is a simple yet powerful tool that allows users to view and reuse previously executed commands. However, by default, the output of the <span>history</span> command only shows the command number and content, without including the date and time of command execution. This may not be intuitive enough for users … Read more
In China, there is a saying – “Since you are here, you might as well enjoy it!”Seeing beautiful scenery on TV, with green mountains and clear waters, and cascading waterfalls, one might impulsively drive to the destination. Upon arrival, they realize that it was the camera that was beautiful, not the scenery. But since they … Read more
The scripts required for this article can be directly copied in the format of this article: train_script.sh #!/bin/bash train=( " ____ " " _|____|____ " " | _________ | " " | _ _ | " " |_| |_| |_| " ) cols=$(tput cols) train_width=0 for line in "${train[@]}"; do (( ${#line} > train_width )) … Read more
Click the blue text above to follow us Overview This article discusses the relationship and role of the system kernel and the Bash interpreter, how to correctly execute Linux commands, and common troubleshooting methods. Experienced operations and maintenance personnel can appropriately combine commands and parameters to make Linux character commands more flexible while relatively reducing … Read more
Source: Machine Heart This article is 3208 words, and it is recommended to read it in 5 minutes. This article outlines the basic features of the Linux system and introduces some commonly used Linux commands to help you get started quickly. Linux has gained favor among many developers due to its stability and has become … Read more
Background Currently, many universities implement a one-device policy in dormitories, where each person must have their own internet connection, and only two devices are allowed to connect. This is said to be for better network management and to trace individual usage. However, it is quite absurd, as the internet fees are high, and usage is … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the 1000-person technical communication QQ group. Note: [Public Account] for faster approval 1. Basic Concepts Environment variables (environment variables) generally refer to parameters used to specify the operating environment of the operating system. For example: when we write C/C++ code, we never … Read more
Linux commands are used to manage the Linux system. For the Linux system, everything, including the CPU, memory, disk drives, keyboard, mouse, and users, is treated as a file. The commands for managing the Linux system are the core of its normal operation.Below are 166 of the most commonly used commands; there is bound to … Read more