[MSDN Library June 1998] Level 0 Lock (84%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > Windows 95 Features > Using Windows 95 Features > Exclusive Volume Locking > About Exclusive Volume Locking

[MSDN Library June 1998] Level 1 (38.5416666666667%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > Windows 95 Features > Using Windows 95 Features > Exclusive Volume Locking > About Exclusive Volume Locking > Locking Hierarchy

[MSDN Library June 1998] Level 2 (38.5416666666667%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > Windows 95 Features > Using Windows 95 Features > Exclusive Volume Locking > About Exclusive Volume Locking > Locking Hierarchy

[MSDN Library June 1998] Level 3 (38.5416666666667%)

MSDN Library Visual Studio 6.0 > Platform SDK > Windows Base Services > Windows 95 Features > Using Windows 95 Features > Exclusive Volume Locking > About Exclusive Volume Locking > Locking Hierarchy

[MSDN Library June 1998] Level II Oplocks (27.8472222222222%)

MSDN Library Visual Studio 6.0 > Platform SDK > Internet/Intranet/Extranet Services > Common Internet File System Protocol > Protocol Operation Overview > Opportunistic Locks