| 21. | Should they be global variables for the program ( is that the most reasonable solution )?
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| 22. | Processes specify behavior, channels and global variables define the environment in which the processes run.
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| 23. | Global variables are available system-wide; local variables are only valid in the current shell.
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| 24. | When programming AmigaDOS scripts, one must keep in mind that global variables are system-wide.
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| 25. | QuickDraw maintained a number of global variables per process, chief among these being the current port.
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| 26. | The setting of a global variable can create side effects that are hard to locate and predict.
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| 27. | Normally, a random canary is generated at program initialization, and stored in a global variable.
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| 28. | System variables ( known as global variables ) are distinguished by a " @ @ " prefix.
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| 29. | Protothreads are also stackless, which means global variables are needed for preserving variables across context switches.
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| 30. | This is a global variable that will effect all instances of the template, use with caution.
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