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Symbolic links pointing to moved or non-existing targets are sometimes called broken, orphaned, dead, or dangling. Symbolic links are different from hard links. Hard links do not link paths on different volumes or file systems, whereas symbolic links may point to any file or directory irrespective of the volumes on which the link and target ...
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.
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 command is part of the Single UNIX Specification (SUS), specified in the Shell and Utilities volume of the IEEE 1003.1-2001 standard. See also [ edit ]
BSD also added symbolic links (often termed "symlinks") to the range of file types, which are files that refer to other files, and complement hard links. [3] Symlinks were modeled after a similar feature in Multics, [4] and differ from hard links in that they may span filesystems and that their existence is independent of the target object ...
Print destination of a symbolic link realpath: Filesystem Mandatory Resolve a symbolic link renice: Process management Mandatory Set nice values of running processes 4BSD rm: Filesystem Mandatory Remove directory entries Version 1 AT&T UNIX rmdel: SCCS Optional (XSI) Remove a delta from an SCCS file PWB UNIX rmdir: Filesystem Mandatory
In Linux, the file specified by interpreter can be executed if it has the execute rights and is one of the following: a native executable, such as an ELF binary any kind of file for which an interpreter was registered via the binfmt_misc mechanism (such as for executing Microsoft .exe binaries using wine )
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).