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Remarks. You can copy an ASCII text file that uses an end-of-file character (that is, CTRL+Z) to indicate the end of the file. Using /a. When /a precedes a list of files on the command line, it applies to all files listed until copy encounters /b.In this case, /b applies to the file preceding /b.When /a follows a list of files on the command line, it applies to all listed files until copy encounters /b.hen /a precedes a list of files on the command line, it applies to all files listed until copy encounters /b. In this case, /b applies to the file preceding /b. When /a follows a list of files on the command line, it applies to all listed files until copy encounters /b.
Instead, these diagrams show contacts as either normally open (NO) or normally closed (NC) . The standard method of showing contacts is to indicate the circuit condition produced when the actuating device is in the de-energized (off) state. For example, in the following illustration, the contacts are part of a relay.witch Symbols Various types of switches are also used in control circuits. Like the contacts just discussed, switches can also be normally open or normally closed and require another device or action to change their state. In the case of a manual switch, someone must change the position of the switch.