How do I Install Slackware Linux version 13.13 using a bootable USB stick under Unix or Linux operating systems?
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How do I add two numbers using awk? How do I calculate all incoming number stream on fly and display the total using awk?
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Q. How do I create a temporary file securely under UNIX Bash shell? A. There are many ways: [a] mktemp command – make temporary unique filename [b] $RANDOM – Use $RANDOM variable mktemp command From the man page: The mktemp utility takes the given filename template and overwrites a portion of it to create a [...]
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How do I replace a string with another string in all files? For example, ~/foo directory has 100s of text file and I’d like to find out xyz string and replace with abc. I’d like to use sed or any other tool to replace all occurrence of the word.
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