Jonas Berlin on Twitter: "How to pipe stdout & stderr of a #bash script both to stdout and to a file: exec 3>&1 coproc tee -a logfile >&3 trap "exec >&3 2>&3 {
How to Use the Stdin, Stderr, and Stdout Streams in Bash
How to redirect standard (stderr) error in bash - nixCraft
How to manipulate files with shell redirection and pipelines in Linux | Enable Sysadmin
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dev/null in Linux | DigitalOcean
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Shell - cheat-sheets
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linux - Confused about stdin, stdout and stderr? - Stack Overflow
Solved Instructions Before you begin this assignment, watch | Chegg.com