File Console Application that hides, disguises and locks files.
System calls the host environment's command processor (e.g. /bin/sh, cmd.exe, command.com) with the parameter command. Returns an implementation-defined value (usually the value that the invoked program returns).
Character string identifying the command to be run in the command processor. If a null pointer is given, command processor is checked for existence.
Implementation-defined value. If command is a null pointer, returns a nonzero value if and only if the command processor exists.