tUNLOCK - plan9port - [fork] Plan 9 from user space
  HTML git clone git://src.adamsgaard.dk/plan9port
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
       tUNLOCK (53B)
       ---
            1 #!/usr/local/plan9/bin/rc
            2 
            3 >$1/LOCK && rm -f $1/LOCK