1 Why are Linux commands abbreviated? 2 List of Common Linux Commands and Their Full English Names 2.1 File and Directory Operation Commands 2.2 System Management and Permission Management Commands 2.3 Network Related Commands 2.4 Text Processing and Search Commands 2.5 Other Common Commands and Terms 3 Some Interesting Facts About Abbreviations 4 Conclusion Hello … Read more
Linux users may encounter a situation where a previously running process has crashed, and they want to restart it. However, they might forget the command to restart it. I have also been troubled by this issue for a long time, but I eventually found a solution, which I will introduce here. Use the history command … Read more
From “Command Novice” to “Terminal Expert”: Unlocking the Efficiency Secrets of Linux in Just 3 Minutes a Day In the server room at 2 AM, operations engineer Xiao Lin stares at the scrolling logs on the screen, his fingers flying over the keyboard. While his colleagues struggle to find files in the graphical interface, he … Read more
Have you ever felt lost in front of the terminal? Facing the blinking cursor, unsure of what command to input? As the “dominant force” in the server domain, the Linux command line is an essential skill for developers and operations engineers. Compared to graphical interfaces, command line operations are more efficient, better suited for automation … Read more
In Linux systems, modifying routes (i.e., configuring the network routing table) is primarily done using the ip route command (recommended, part of the iproute2 toolkit, standard in modern Linux distributions) or the traditional route command (older, still supported by some systems). Here are common operations and examples: 1. View Current Routing Table Before making changes, … Read more
<span>grep</span> (Global Regular Expression Print) is a powerful and commonly used text search tool in Linux/Unix systems, used to search for lines that match a specified pattern (usually a regular expression) in files or standard input, and outputs the matching lines to standard output. 1. Basic Syntax grep [options] pattern [file…] • Pattern: The string … Read more
Today, I will share the Detailed Usage of Linux grep, covering core principles, practical applications, and advanced optimization techniques, in conjunction with biological data file formats (FASTA/VCF/SAM, etc.). 1. Core Operating Mechanism of grep 1. Search Pattern Hierarchy graph TD A[Standard Input/File] –> B[Line-by-Line Scanning] B –> C{Pattern Matching Judgment} C –>|Basic Regex| D[BRE Mode] … Read more
Do you need to memorize Linux commands? Daily Linux Command: man The mkdir(1) command is used to create directories, with its argument being the path name of the new directory. ✦•———-Basic Usage———-•✦ Simply follow the command with the path of the new directory. It can be either a relative path or an absolute path. If … Read more
Notes on Learning Linux This book uses CentOS 7/8 as the practical environment, focusing on practical Linux skills, progressing from basic commands to service deployment, making it a high-quality guide for beginners to learn Linux. The following summarizes the core content by chapter, highlighting practical focuses and knowledge difficulties. Chapter 1: Overview of Linux System … Read more
1. Command Introduction and Principles The head command is a simple and efficient command-line tool used to display the beginning portion of files. Its design philosophy is “quick preview,” making it particularly suitable for viewing the start of large files. Working Principles Sequential Reading: Reads lines from the beginning of the file until the specified … Read more