backup a file and keep every version of the backup


 
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Old 02-02-2011
If your intent is to record all commands entered by you from the shell prompt, this is a poor approach to take. With a HISTSIZE of 9000, I seen to recall the bash (and other shells) slow down significantly as the actual history count increases.

Methyl's approach is better. An even better approach is to send your command history to a logging server as the korn shell can do. There is a patch out there for bash. Just do a web search for it.
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