Linux Crash Course – Data Streams (stdin, stdout & stderr)
In this episode of Linux Crash Course, we’ll go over data streams. Specifically, Standard Output (stdout), Standard Input (stdin), and Standard Error (stderr). We’ll also take a look at how to redirect specific data streams, so you can easily separate errors from output.
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*Time Codes*
00:00 – Intro
00:41 – Quick note regarding input/output
01:17 – The three data streams (standard input, standard output, and standard error)
03:06 – Example of Standard Error (stderr)
03:47 – Using the echo command to find the return code
05:54 – Example of both standard output and standard error from one command
07:47 – Splitting standard output and standard error
09:06 – Number designations for stdin, stdout, and stderr
10:24 – Sending stdout and stderr to different files
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