Do a 'man history' and you'll get everything under the sun you can tweak as far as history is concerned. To increase the history size tweak the HISTSIZE, HISTFILESIZE variables. To change the history file per new shell you can dynamically change HISTFILE. Say put a command to create a temporary file in one of the login scripts (.bashrc): export HISTFILE="$HOME/.bash_history_$$" which appends the PID of the shell to the name, and then when you logout merge the history file by putting in .bash_logout history -w cat $HISTFILE >> .bash_history Now as far as the permissions are concered I am lacking imagination how to do that. I can't think how the same user can prevent himself from viewing one of his files just because a different shell created it. Filippos <div>On 5/12/06, Ambrogio <<a href="mailto:fn050202@flashnet.it">fn050202@flashnet.it </a>> wrote:<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi all, I would like to have my shells to be compliant to those things. 1. A large number of slot for history so I don't lose command. 2. Each shell has proper history, so command issued in one shell are not viewed on others 3. But when shell is closed, commands are appended to history files, and not overwritten Is this possible? Where ca I act to change default behavior of shell history? Tnx to all Ambrogio -- fedora-list mailing list <a href="mailto:fedora-list@redhat.com">fedora-list@redhat.com </a> To unsubscribe: <a href="https://www.redhat.com/mailman/listinfo/fedora-list">https://www.redhat.com/mailman/listinfo/fedora-list</a> </blockquote></div>