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The read permission grants the ability to read a file. When set for a directory, this permission grants the ability to read the names of files in the directory, but not to find out any further information about them such as contents, file type, size, ownership, permissions. The write permission grants the ability to modify a file. When set for ...
Share permissions can be implemented on NTFS and FAT file systems for shared resource. Different permissions are Read, Change and Full control. [ 1 ] Permissions are also implemented on Samba .
The ntfs.sys released with Windows Vista made the functionality available to user mode applications by default. Since NTFS 3.1, a symbolic link can also point to a file or remote SMB network path. While NTFS junction points support only absolute paths on local drives, the NTFS symbolic links allow linking using relative paths.
NTFS is optimized for 4 KB [a] clusters, but supports a maximum cluster size of 2 MB [a]. (Earlier implementations support up to 64 KB) [5] The maximum NTFS volume size that the specification can support is 2 64 − 1 clusters, but not all implementations achieve this theoretical maximum, as discussed below.
In Unix and Unix-like systems, including POSIX-conforming systems, each file has a 'mode' containing 9 bit flags controlling read, write and execute permission for each of the file's owner, group and all other users (see File-system permissions §Traditional Unix permissions for more details) plus the setuid and setgid bit flags and a 'sticky' bit flag.
Microsoft's Active Directory service implements an LDAP server that stores and disseminates configuration information about users and computers in a domain. [17] Active Directory extends the LDAP specification by adding the same type of access-control list mechanism as Windows NT uses for the NTFS filesystem.
Windows NT 3.5: NTFS 1.1 1995: Windows 95: FAT16B with VFAT: 1996: Windows NT 4.0: NTFS 1.2 1998: Mac OS 8.1 / macOS: HFS Plus (HFS+) 1998: Windows 98: FAT32 with VFAT: 2000 SUSE Linux Enterprise 6.4 ReiserFS [1] [2] 2000: Windows Me: FAT32 with VFAT: 2000: Windows 2000: NTFS 3.0 2000: Ututo GNU/Linux: ext4: 2000: Knoppix: ext3: 2000: Red Hat ...
The file system permissions of a symbolic link are not used; the access modes of the target file are controlled by the target file's own permissions. Some operating systems, such as FreeBSD, offer the ability to modify file permissions and filesystem attributes of a symbolic link, through lchmod [12] and lchflags [13] system calls respectively.