Ntfs-3g (Ownership and Permissions Support) v.1.2918SR.1

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NTFS has a native data organisation which Windows uses to control access to files. To each file are associated an owner, a group, and a list of users who are allowed or denied to access the file for some purpose. The same data can be used by Linux on a dual-boot computer to control access to files, but as the underlying concepts are different, approximations have to be made. The Windows permissions are more general and some configurations cannot be defined or used in Linux.Anyway, both Linux and Windows associate an owner and a group to files. In Linux, the basic rights to access the file are defined for owner, group and world. In some Linux configurations, similar rights can be granted to users and groups which are unrelated to the owner. In Windows multiple individual or collective users with specific rights may be defined for a file. The list of rights attached to a file is known as an ACL (Access Control List), and a set of rights defined for a user is known as an ACE (Access Control Entry).In a first level extension, we will only deal with the traditional Linux access rights associated to a single owner, a single group and other users. In a further extension, granting or denying rights to multiple individual users or groups is made possible according to the draft definition of Posix ACLs.To define interoperability of access to files for Windows and Linux, two relations have to be established between concepts in both systems : one regarding the users and groups, and another regarding the access rights.Using a native NTFS ACLIn the proposed ntfs-3g extension, only data as defined for NTFS are used. The Linux rights for owner, group and world to read, write or execute a file are not stored on NTFS but are converted to or from an ACL when Linux sets or retrieves security parameters of a file. As a consequence all security data may be saved by standard Windows tools, whereas standard Linux backup tools store the conversion to Linux rights, thus losing some

NTFS has a native data organisation which ... This package offers Ownership and Permissions Support for ntfs-3g ...

 
  • Ntfs-3g (Ownership and Permissions Support)
  • 1.2918SR.1
  • Yura Pakhuchiy
  • Linux
  • Freeware
  • 10 Kb
  • 132
  • Free
 
 

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