How do I check ksh version? How do I find out ksh version under UNIX like operating systems?
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korn
What is /bin/dash? I noticed that the default system shell /bin/sh was changed to /bin/dash. Why was this change made?
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If var is defined AND NOT EMPTY, use var, otherwise set a default variable under Bash. For e.g. my script needs a parameter for output variable. It can be text or html. I set it as follows in my script
output=$1 # either text or html
However, sometime user forget to pass the parameter to my shell script and my enter logic fails. So how do I set default value to text, if no parameter passed?
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Q. How do I use for loop in Korn Shell under UNIX / Linux / BSD / OS X operating systems?
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Q. Can you tell me how to write a UNIX korn shell script program? I’m new to UNIX scripting and HP-UX UNIX operating system.
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