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The ln command is a standard Unix command utility used to create a hard link or a symbolic link (symlink) to an existing file or directory. [1] The use of a hard link allows multiple filenames to be associated with the same file since a hard link points to the inode of a given file, the data of which is stored on disk.
Microsoft aimed for Windows Vista's symbolic links to "function just like UNIX links". [16] However, the implementation differs from Unix symbolic links in several ways. For example, Windows Vista users must manually indicate when creating a symbolic link whether it is a file or a directory. [17]
A symbolic link is a reference to another file. This special file is stored as a textual representation of the referenced file's path (which means the destination may be a relative path, or may not exist at all). A symbolic link is marked with an l (lower case L) as the first letter of the mode string, e.g. in this abbreviated ls -l output: [5]
The link utility is a Unix command line program that creates a hard link from an existing directory entry to a ... it can create both hard links and symbolic links, ...
macOS file Alias [73] (Symbolic link) 5B 5A 6F 6E 65 54 72 61 6E 73 66 65 72 5D [ZoneTransfer] 0 Identifier Microsoft Zone Identifier for URL Security Zones [74] [75] 52 65 63 65 69 76 65 64 3A: Received: 0 eml Email Message var5 [citation needed] 20 02 01 62 A0 1E AB 07 02 00 00 00 ␠␂␁b⍽␞«␇␂␀␀␀ 0 tde Tableau Datasource 37 ...
Symbolic links can be created either to files (created with MKLINK symLink targetFilename) or to directories (created with MKLINK /D symLinkD targetDirectory), but (unlike Unix symbolic links) the semantic of the link must be provided with the created link. The target however need not exist or be available when the symbolic link is created ...
Under Linux, symbolic links under procfs are "magic": they can actually behave like cross-filesystem hard links to the files they point to. This behaviour allows recovery of files removed from the filesystem but still open by a process, and permanently persisting files created by O_TMPFILE in the filesystem (which otherwise cannot be named).
For example, ext2 and its successors store the data of symlinks (typically file names) in this way if the data is no more than 60 bytes ("fast symbolic links"). [ 23 ] Ext4 has a file system option called inline_data that allows ext4 to perform inlining if enabled during file system creation.