Input and Output Stream Handler Numbers

Q

What are input and output stream handler numbers?

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A

Input and output stream handler numbers are integers assigned to represent input and output streams. The list below shows you how handler numbers are assigned to different input and output streams:

Handler Number      Stream 
0                   STDIN
1                   STDOUT
2                   STDERR
3                   To be defined by applicaitons                   
...
9                   To be defined by applicaitons

 

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2017-12-05, 176👍, 0💬