This is the command locker that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
locker - locks a file
SYNOPSIS
locker < -e file | -s file > [ -n ] command [ args ... ]
DESCRIPTION
-e file lock specified file for exclusive (write) access
-s file lock specified file for shared (read) access
-n do an "non-blocking" attempt to lock specified file
Use locker online using onworks.net services