System Tutorial
LINUX
Ubuntu File Permissions Guide: Learn how to set file permissions in Ubuntu
Ubuntu File Permissions Guide: Learn how to set file permissions in Ubuntu
Today we will introduce the setting of file permissions in the Ubuntu system. How to set it? Please see below for details.
1. First, we use the ll command to list the file details of the current folder, as shown in the figure below. The first one is the permission content
2. Then let’s take a look at the meaning of the permission content. r represents read, w represents write, and x represents execution. As shown in the figure below
3. Next, we use the chmod command to grant rwx permissions to the owner, as shown in the figure below
4. Then set permissions for the people in the same group, as shown in the figure below, use the chmod command, the g after represents the people in the same group
5. NextIf chmod is followed by the letter o, it proves that the permissions are set for other people, as shown in the figure below
6. If you want to set permissions for three categories of people at the same time, you can separate them with commas, as shown in the figure below
The above is the detailed content of Ubuntu File Permissions Guide: Learn how to set file permissions in Ubuntu. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1672
14
1428
52
1332
25
1277
29
1257
24
How to cancel the lock icon in the lower right corner of the Ubuntu 18.04 folder?
Jan 12, 2024 pm 11:18 PM
In the Ubuntu system, we often encounter folders with a lock shape on the top. This file often cannot be edited or moved. This is because there is no permission to edit the file, so we need to modify its permissions. How to remove the lock in the lower right corner? Let’s take a look at the detailed tutorial below. 1. Right-click on the locked folder--Properties. 2. Select the permissions option in the window. 3. Select everything inside to create and delete files. 4. Then select Change the permissions of the included files at the bottom, which are also set to create and delete files. Finally, remember to click Change in the upper right corner. 5. If the above lock is still not removed, or the options are grayed out and cannot be operated, you can right-click inside - open the terminal. 6. make
What should I do if the Ubuntu terminal cannot be opened? How to fix the problem that Ubuntu cannot open the terminal
Feb 29, 2024 pm 05:30 PM
It is a very common problem these days that Ubuntu does not allow its users to open the terminal. If you receive a similar issue and don’t know what to do next, learn about five fixes on how to resolve this “Ubuntu cannot open terminal” issue on your Linux device. Without further ado, let’s dive into what causes it and the solutions available to it. Why can't Ubuntu open the terminal on it? This mainly happens when you install some defective software or modify the terminal configuration. In addition to this, new applications or games that interact with locales and corrupt them can cause similar problems. Some users reported a fix for this issue when searching for Terminal in Ubuntu's activity menu. This shows that
How to remove icons in Ubuntu start menu?
Jan 13, 2024 am 10:45 AM
There are many software icons listed in the Ubuntu system start menu. There are many uncommon icons. If you want to delete them, how should you delete them? Let’s take a look at the detailed tutorial below. 1. First enter the ubuntu desktop and click on the start menu under the left panel. 2. You can find a text editor icon inside, we need to delete it. 3. Now we return to the desktop and right-click the mouse to open the terminal. 4. Use the command to open the application list directory. sudonautilus/usr/share/applicationssudonautilus~/.local/share/applications5. Find the corresponding text editor icon inside. 6. Then go straight
Log in to Ubuntu as superuser
Mar 20, 2024 am 10:55 AM
In Ubuntu systems, the root user is usually disabled. To activate the root user, you can use the passwd command to set a password and then use the su- command to log in as root. The root user is a user with unrestricted system administrative rights. He has permissions to access and modify files, user management, software installation and removal, and system configuration changes. There are obvious differences between the root user and ordinary users. The root user has the highest authority and broader control rights in the system. The root user can execute important system commands and edit system files, which ordinary users cannot do. In this guide, I'll explore the Ubuntu root user, how to log in as root, and how it differs from a normal user. Notice
A sneak peek of the seven highlights of Ubuntu 24.04 LTS
Feb 27, 2024 am 11:22 AM
Ubuntu24.04LTS, codenamed "NobleNumbat" will be released soon! If you are using a non-LTS version such as Ubuntu 23.10, sooner or later you will need to consider upgrading. For those using Ubuntu20.04LTS or Ubuntu22.04LTS, it is worth thinking about whether to upgrade. Canonical has announced that Ubuntu 24.04LTS will provide update support for up to 12 years, broken down as follows: As an LTS version, it will have 5 years of regular maintenance and security updates. If you subscribe to Ubuntu Pro, you can enjoy an additional 5 years of support. Currently, this additional support period has been extended to 7 years, which means you will get up to 12
Ubuntu 20.04 screen recording software OBS installation and uninstallation graphic tutorial
Feb 29, 2024 pm 04:01 PM
OBS is open source software developed by volunteer contributors around the world in their free time. A video live recording software, mainly used for video recording and live streaming. Please note that when installing Ubuntu/Mint, OBSStudio cannot fully work on ChromeOS, and functions such as screen and window capture cannot be used. It is recommended to use xserver-xorg1.18.4 or newer version to avoid potential performance issues with certain features in OBS, such as full-screen projectors. FFmpeg is required. If you don't have FFmpeg installed (if you're not sure, you probably don't), you can get it with: sudoaptinstallffmpeg I already have it installed here
How to solve the problem of missing file permissions in steam
Feb 23, 2024 pm 02:25 PM
Users may encounter a lack of file permissions when installing steam, so how to solve this problem? Players can try to open it with administrator rights, or reinstall steam, or turn off anti-virus software. This introduction to solving the problem of missing file permissions can tell you the specific method. The following is a detailed introduction, come and take a look! "Steam Usage Tutorial" How to add friends on Steam who have never spent money? Answer: Run as administrator, reinstall steam, and turn off the firewall. Specific methods: 1. To start as administrator, the player needs to right-click steam, and then click Run as administrator. , it can be solved. 2. Reinstall steam. There may be some reasons why steam is missing some files. Reinstall it.
How to change the keyboard layout of Ubuntu system to American keyboard?
Jan 12, 2024 pm 12:39 PM
To change the system keyboard layout to American keyboard, how to modify it in Ubuntu system? Let’s take a look at the detailed setting method below. 1. Right-click on the desktop, open openterminal, and enter the command. 2. Just enter the administrator password and select your computer according to the type. 3. Select the country English (us), press tab and select OK. 4. Select English (us) for the keyboard layout to represent the United States. Set a modifier key in Figure 2. 5. Select a key combination to activate its [altgr] function. If you select no, no key combination is needed, and then select yes, then you can set the keyboard layout to English (us), which is an American keyboard.
