The Linux alias command is used to set command aliases, allowing users to define their own command shortcuts. It enables you to execute commands in a simpler and more memorable way without having to type the full command each time. If you simply enter alias, it will list all currently set aliases. The effect of … Read more
1. Detailed Explanation of the find Command 1.1 Purpose <span>find</span> is the most powerful file search tool in Linux, capable of recursively searching for files in a directory tree. It supports filtering by various criteria such as name, type, size, and time, and can perform various operations on the search results. 1.2 Syntax find [path] … Read more
ls Command Function: Lists information about directories.Syntax: ls [-l -h -a] [options] Options: The directory to be viewed; if no options are provided, it displays the current working directory. -l, view in list format -h, used with -l, displays file sizes in a more human-readable format -a, shows hidden files Hidden Files and Directories In … Read more
1. Root User (Super Administrator) Whether it is Windows, macOS, or Linux operating systems, a multi-user permission management system is employed. In the Linux system, the account with the highest privileges is called root (super administrator). The root user has the highest level of system operation permissions, while ordinary users’ permissions are usually subject to … Read more
Detailed Explanation of the Linux sed Tool 1. Introduction to sed Those who frequently use Linux shell scripts will certainly notice the high frequency of the sed tool. So, what is sed used for, and what can it do? As one of the “three musketeers” of Linux, sed originated from ed and is a stream … Read more
Chapter 5: The Name of Killing – Four Directions Sound Transmission and Void Probe [Location: Operating Realm · Battle Platform · Inner Gate of the Process Sect] “Is that it?” A newly initiated disciple held a spell called <span>kill</span> with a puzzled expression, “Senior Brother, this spell is called ‘Kill’, does it have no other … Read more
1. Change File or Directory Permissions chmod # change the permissions mode of a file chmod [{ugo}{+-=}{rwx}][file or directory] # u: file owner, g: group, o: others, +: add permission, -: remove permission, =: set permission exclusively [mode=421][file or directory] # 4=r, 2=w, 1=x; represent read, write, execute permissions for owner, group, and others respectively, … Read more
1. cd cd: Change directory Change the working directory. The commands cd and ls are probably the two most used commands, especially for users unfamiliar with the Linux directory structure. cd / # Enter the root directory cd – # Return to the last directory cd # Return to the home directory cd ~ # … Read more
The most commonly used and fundamental command in the Linux world is <span>ls</span>. What does ls do? <span>ls</span> is used to view the files in the current directory. Open the terminal and simply type: ls Press Enter, and you will see all the files and folders in the current directory! app@linux-c:~$ ls Desktop Documents Downloads … Read more
Click the blue text to follow us 1. Introduction The chmod (change mode) command is used to change the permissions of a file for users. chmod (change mode) is a command in the Linux system used to change the permissions of files or directories, controlling access for the file owner, group, and other users. Note: … Read more
