File owner, user group, other user?
In Linux, any file has individual permissions for User,group and others three identities.
User is the owner of this document.
The group where the group is currently a user.
Ohters other people.
2.Linux file Properties
Examples are as follows: drwxr-xrwx
1. File types
-Represents a regular file d indicates that the directory file C represents a character device file B represents a block device file
s indicates that the pipe file L represents the linked file
2. File access Permissions
R for readable, W for writable, X for executable (not in order)
3-bit group, represented by the file owner, group of users, other users
3. What is the difference between the home directory and the root directory?
The home directory is the user's home directory, which is specified when the user is added. For different users, the home directory is different.
For users named user, the default home directory is the/home/user,root user exception, and its default home directory is/root.
4. Create files, delete files, move files, and search for files, search keywords, flip screen reading
5. Modify File Permissions
6. Package, clear the screen, create a soft and hard connection. As well as USB stick loading, partitioning.
7. Management of users
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Linux file Knowledge Base