unlink

present singular third person unlinks · participle present unlinking · participle past unlinked · past unlinked

1. transitiveTo decouple; to remove a link from, or separate the links of.
2. UnixtransitivecomputingTo delete (a file).

   That's because the permission to unlink a file doesn't depend upon the permission bits on the file itself; it's the permission bits on the directory that contains the file that matter.

   2001, Tom Phoenix, Randal L. Schwartz, Learning Perl, "O'Reilly Media, Inc.", →ISBN, page 175

plural unlinks

1. knot theorymathematicsA link that is equivalent (under ambient isotopy) to finitely many disjoint circles in the plane.