Learn how to assign ACL permissions through Linux ACL

From: Role (user), group, and other users (other), each role corresponds to: read, write, and executable (rwx ). Detailed description of ACL

 

Linux permissions are very important. Normally, a file or directory has three roles: directory or file owner (user), group, and other users (other ), each role corresponds to: read, write, and executable (rwx ). This is also our most common permission, # The first column of content seen by LS-L. The first is the file type, for example, D is a directory,-is a common file, L is a link file, C is a character file, and B is a block file. The remaining nine characters are the permissions of the three roles corresponding to the file. For example: