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shell functions

Linux / UNIX: Convert Hexadecimal to Decimal Number

How do I convert hex number to decimal number using a shell script under UNIX / Linux operating systems?
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Bash Shell Script Function Examples

How do I create a shell script function using Bash under UNIX / Linux operating systems?
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Ubuntu Set User Profile Under Bash Shell

How do I set user profile under bash shell running Ubuntu Linux operating systems?
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How do I ignore bash shell aliases or functions when running a command without removing alias or function from memory or current shell session on a Linux or Unix-like systems?
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