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Full Discussion: Posix Attributes
Top Forums UNIX for Beginners Questions & Answers Posix Attributes Post 303044881 by Neo on Saturday 7th of March 2020 04:29:16 AM
Old 03-07-2020
Maybe here?

PosixFileAttributes (Java Platform SE 7 )


Quote:
public interface PosixFileAttributes

extends BasicFileAttributes

File attributes associated with files on file systems used by operating systems that implement the Portable Operating System Interface (POSIX) family of standards.
The POSIX attributes of a file are retrieved using a PosixFileAttributeView by invoking its readAttributes method.



Method Summary

Methods

Modifier and Type Method and Description

GroupPrincipal group()

Returns the group owner of the file.

UserPrincipal owner()

Returns the owner of the file.

Set<PosixFilePermission> permissions()

Returns the permissions of the file.

Methods inherited from interface java.nio.file.attribute.BasicFileAttributes

creationTime, fileKey, isDirectory, isOther, isRegularFile, isSymbolicLink, lastAccessTime, lastModifiedTime, size

Method Detail

owner

UserPrincipal owner()

Returns the owner of the file.

Returns:

the file owner

See Also:

FileOwnerAttributeView.setOwner(java.nio.file.attribute.UserPrincipal)

group

GroupPrincipal group()

Returns the group owner of the file.

Returns:
the file group owner

See Also:
PosixFileAttributeView.setGroup(java.nio.file.attribute.GroupPrincipal)

permissions
Set<PosixFilePermission> permissions()

Returns the permissions of the file. The file permissions are returned as a set of PosixFilePermission elements. The returned set is a copy of the file permissions and is modifiable. This allows the result to be modified and passed to the setPermissions method to update the file's permissions.

Returns:
the file permissions

See Also:

PosixFileAttributeView.setPermissions(java.util.Set<java.nio.file.attribute.PosixFilePermission>)
 

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LEARN ABOUT MOJAVE

logindevperm

logindevperm(4) 						   File Formats 						   logindevperm(4)

NAME

       logindevperm, fbtab - login-based device permissions

SYNOPSIS

       /etc/logindevperm

DESCRIPTION

       The  /etc/logindevperm  file  contains  information  that is used by login(1) and ttymon(1M) to change the owner, group, and permissions of
       devices upon logging into or out of a console device. By default, this file contains lines for the keyboard, mouse, audio, and frame buffer
       devices.

       The owner of the devices listed in /etc/logindevperm is set to the owner of the console by login(1). The group of the devices is set to the
       owner's group specified in /etc/passwd. The permissions are set as specified in /etc/logindevperm.

       Fields are separated by TAB and/or SPACE characters. Blank lines and comments can appear anywhere in the file; comments start with a  hash-
       mark, ` # ', and continue to the end of the line.

       The first field specifies the name of a console device (for example, /dev/console). The second field specifies the permissions to which the
       devices in the device_list field (third field) will be set.  These permissions must be expressed in octal format.  For  example,  O774.	 A
       device_list  is	a  colon-separated list of device names.  Note that a device name must be a /dev link.	A device entry that is a directory
       name and ends with "/*" specifies all entries in the directory (except "." and ".."). For example, "/dev/fbs/*" specifies all frame  buffer
       devices.

       Once the devices are owned by the user, their permissions and ownership can be changed using chmod(1) and chown(1), as with any other user-
       owned file.

       Upon logout the owner and group of these devices will be reset by ttymon(1M) to owner root and root's group  as	specified  in  /etc/passwd
       (typically other). The permissions are set as specified in the /etc/logindevperm file.

FILES

       /etc/passwd     File that contains user group information.

SEE ALSO

       chmod(1), chown(1), login(1), ttymon(1M), passwd(4)

NOTES

       /etc/logindevperm provides a superset of the functionality provided by /etc/fbtab in SunOS 4.x releases.

SunOS 5.10							    22 Oct 2003 						   logindevperm(4)
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