Symbolic Links
Symbolic links solve the thorny problem of providing a link to a file on another file system. They represent a file system "re-director" of sorts. In order to allow programs to work with symbolic links, the UNIX kernel provides a few system calls specific to symbolic links.
The symlink(2) Function
The symlink(2) function permits the caller to create a symbolic link, as opposed to a hard link that is created by link(2). The synopsis for symlink(2) is as follows:
#include <unistd.h> int symlink(const char *path, const char *symlnk);
The symbolic link named by the argument symlnk is created to point to the pathname provided by the argument path. The function returns 0 if successful; otherwise -1 and a value for errno are returned. ...
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