How to redirect both stdout and stderr to a file

2018-06-27 13:59:44

This question already has an answer here:

How can I redirect and append both stdout and stderr to a file with Bash? 6 answers

If you want to log to the same file:

command1 >> log_file 2>&1

If you want different files:

command1 >> log_file 2>> err_file

The simplest syntax to redirect both is:

command &> logfile

If you want to append to the file instead of overwrite:

command &>> logfile

你可以这样做2>＆1：

 command > file 2>&1

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