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Following would redirect the Stdout and Stderr to logfile:
$ command &> logfile
How do I do this redirection without overwrite logfile during next run of command. Something like >> if it was a plain redirection.
You could attach stderr (2) to stdout (1) and then redirect stdout in append-mode:
The
2>&1bit attaches stderr to stdout and then you redirect stdout to append tologfilein the usual manner.