1) Disconnect 2) Unfasten 
[Unix] In Unix-like operating systems, unlink is a system call and a command line utility to delete files. The program directly interfaces the system call, which removes the file name and (but not on GNU systems) directories like rm and rmdir. If the file name was the last hard link to the file, the file itself is deleted as soon as no prog...
• (v. t.) To separate or undo, as links; to uncoil; to unfasten.
to separate the links of (a chain, linked bracelet, watchband, etc.); unfasten. · to detach or separate by or as if by undoing one or more connecting links: to unlink hands.