Setting Access Acls RHEL 7

Linux the great

There are two types of ACLs: access ACLs and default ACLs. An access ACL is the access control list for a specific file or directory. A default ACL can only be associated with a directory; if a file within the directory does not have an access ACL, it uses the rules of the default ACL for the directory. Default ACLs are optional.
ACLs can be configured:
  1. Per user
  2. Per group
  3. Via the effective rights mask
  4. For users not in the user group for the file
The setfacl utility sets ACLs for files and directories. Use the -m option to add or modify the ACL of a file or directory:
# setfacl -m rulesfiles
Rules (rules) must be specified in the following formats. Multiple rules can be specified in the same command if they are separated by commas.
u:uid:perms
Sets the access ACL for…

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