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I/O redirection is used in shell scripting. This feature enables one to take the output of a command and redirect it as an input for another command, or a command can take the input from a file instead of from the standard input stream or from the terminal. The whole process helps connect data streams in various ways.

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I want redirect top output to a file, but I am interested in the per-CPU usage. Doing just #I only want to see processes belonging to myuser top -b -d 1 -u myuser > top.txt gives me stats with a …
asked Aug 10 '14 by Jay