while command

How do I read a file line by line using KSH shell scripting under UNIX like operating systems?

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Can you provide me a while loop control flow statement shell script syntax and example that allows code to be executed repeatedly based on a given boolean condition?

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While using mv or rm command I get command line length error (Argument list too long error). How do I find out current running shell command line length limitations? How do I overcomes these limitations while writing UNIX / BSD / Linux shell utilities?

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How do I use bash while loop to repeat certain task under Linux / UNIX operating system? How do I set infinite loops using while statement?

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