Command History - size, security and more informations

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http://www.unix.com – Hi! I need to know how to increase the size of History, creating greater security in it, and view commands with details such as date and time; Also need to know if they learn to write a 'history' command made ​​via WinSCP; Thank you! ---------- Post updated at 01:36 PM ---------- Previous update was at 11:18 AM ---------- Another question about history: How to view the history of all users? (HowTos)