ered, t     make numbered backups
  existing, nil   numbered if numbered backups exist, simple otherwise
  simple, never   always make simple backups

(uutils coreutils) 0.2.2forceln-help-forceinteractiveln-help-interactiveno-dereferenceln-help-no-dereferencelogicalln-help-logicalln-help-target-directoryDIRECTORYno-target-directoryln-help-no-target-directoryverboseln-help-verbose.src/uu/ln/src/ln.rsassertion failed: !files.is_empty(): targeterrorln-error-could-not-update
ln-error-cannot-statsourceln-error-will-not-overwriteln-prompt-replace backupln-backup ()
.~~file1file2ln-error-same-fileoperandln-error-missing-destinationprogramln-error-extra-operand