1. less – A Paging Tool to View File Contents Syntax: less filename Description: You can press Enter or Page Up/Page Down to navigate through the pages. To exit when you reach the end of the content, press ‘q’. [root@VM-8-13-centos ~]# less abc hello world hello world abc(END) 2. more – View File Contents by … Read more
Friendly Reminder If you like this article, please share it with your friends. If you have any questions or want more information, please follow or leave a message. In Linux systems, the file copying operation is an essential part of daily management tasks.<span><span>cp</span></span> command is a commonly used tool for copying files and directories, providing … Read more
In the Linux command line, there are numerous shortcuts (often referred to as keyboard bindings or hotkeys) that can significantly enhance efficiency. These shortcuts are primarily provided by Bash (or other shells like Zsh) and the underlying readline library. Below are some of the most commonly used and useful command line shortcuts categorized: 1. In-line … Read more
Warm Reminder If you like this article, please share it with your friends. If you have any questions or want more information, please follow or leave a message. In Linux systems, managing files and directories is fundamental to daily operations. The <span>ls</span> command, as a common tool for listing the contents of files and directories, … Read more
In Linux systems, service management and system status control are daily tasks for system administrators. The systemctl command is the control tool for the Systemd system, used to manage system services and system status. Today, let’s learn about this super useful command—systemctl.1. What is the systemctl Command?The systemctl command is used to manage system services … Read more
The event is in progress, and the speaker has embarked on a journey of knowledge, from the origin story of Linux to its development history, delving into system architecture analysis, interspersed with practical demonstrations. Everyone is closely watching the operation steps on the screen, quickly taking photos to record key content. When explaining command line … Read more
Click the blue “Most Programmer” to follow me! Add a “star” to get daily tech learning at 18:03 Shell is the core weapon of the Linux system, but many people only know the basic commands likels、cd、rm and nothing more. The following advanced tricks will help you say goodbye to being a “Shell novice” and boost … Read more
There are many search tools in Linux, and today we will mainly discuss two tools: locate and find. 01 Locate 1. Performance Overview Queries the pre-built file index database on the system /var/lib/mlocate/mlocate.db Note: If this file is deleted, locate will not work. The database must be manually updated (updatedb), or the system must be … Read more
tar PART 01 Function Description: Add or restore files from backup files Syntax: tar -f[cxzjv] <file> Parameters: -f is a required parameter -c Create a backup file -x Extract files from the backup file -z Use gzip/gunzip to compress/decompress files -j Use bzip2/bunzip2 to compress/decompress files -v Show the command execution process Example: tar -cf … Read more
This article introduces practical methods for querying user information in Linux systems, focusing on command-line tools for obtaining user account details, login information, and user activity status. To create a new user, you can use the <span>useradd</span> command; to modify existing user attributes, you need to call the <span>usermod</span> command via the command line. The … Read more