Modify file permissions in batches on Linux¶
During use, you often encounter the following situations: It is necessary to modify the folder permissions in a certain directory to: 0755, the owner is root, the file permissions are: 0644, the owner is root
1. Set the permissions of all folders in a directory individually```¶
find -type d -exec chmod 0755 {} \;
## 2. Set the permissions of all files in a directory individually```
find -not -type d -exec chmod 644 {} \;
3. If you want to set the owner of the folder individually, you only need to change the command to the following:¶
Add- Scope of authority: ```¶
u ：目录或者文件的当前的用户
g ：目录或者文件的当前的群组
o ：除了目录或者文件的当前用户或群组之外的用户或者群组
a ：所有的用户及群组
```
- Permission code:
r ：读权限，用数字4表示 w ：写权限，用数字2表示 x ：执行权限，用数字1表示 – ：删除权限，用数字0表示 s ：特殊权限