Linux Learning-Modification of the owner and owner group

Modification of genus Chown, three forms of Master command

Chown. Genus Group Parameter (parameter is file name or directory name) modified by owner and group

Chown. Genus Group Parameter (parameter is file name or directory name) only modify the genus group

Chown main parameter (parameter is file name or directory name) only modify owner

Chown-r recursively modifies file permissions, representing all directories under this file, and all files in all directories are modified.

Relationship of permissions and numbers

RWX 421 with a digital representation

Linux Learning-Modification of the owner and owner group