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Full Discussion: .bash_history
Top Forums UNIX for Advanced & Expert Users .bash_history Post 9995 by Perderabo on Tuesday 6th of November 2001 10:03:16 AM
Old 11-06-2001
History is certainly useless since it's under control of the user. I looked in my bash book at saw:
Quote:
...HISTCONTROL variable. If set to ignorespace, any commands that you type that start with a space won't appear in the history.
And there are many other ways to defeat history including typing "sh" and running a bourne shell for awhile.

I hate to be a party pooper, but accounting is also easily defeated. But why bother? Suppose your accounting records shows that I did:
Code:
vi perderabo.c
cc perderabo.c -o perderabo
./perderabo
rm perderabo.c perderabo

OK, now what did I do?

Some versions of unix have C2 level security features. You can configure them to track every system call invoked by every user. This puts a nasty load of the system though. Short of this, you aren't going to be able to reliably track what users do.
 

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Devel::REPL::Plugin::ReadLineHistory(3pm)		User Contributed Perl Documentation		 Devel::REPL::Plugin::ReadLineHistory(3pm)

NAME
Devel::REPL::Plugin::ReadLineHistory - Integrate history with the facilities provided by Term::ReadLine DESCRIPTION
This plugin enables loading and saving command line history from a file as well has history expansion of previous commands using the !-syntax a la bash. By default, history expansion is enabled with this plugin when using Term::ReadLine::Gnu. That means that "loose" '!' characters will be treated as history events which may not be what you wish. To avoid this, you need to quote the '!' with '': my $var = "foo!"; or place the arguments in single quotes---but enable the "Term::ReadLine" attribute "history_quotes_inhibit_expansion": $_REPL->term->Attribs->{history_quotes_inhibit_expansion} = 1; my $var = 'foo!'; and to disable history expansion from GNU readline/history do $_REPL->term->Attribs->{do_expand} = 0; CONFLICTS
Note that Term::ReadLine::Perl does not support a history expansion method. In that case, you may wish to use the Devel::REPL History plugin which provides similar functions. Work is underway to make use of either History or ReadLineHistory consistent for expansion with either the Term::ReadLine::Gnu support or Term::ReadLine::Perl. perl v5.14.2 2010-06-13 Devel::REPL::Plugin::ReadLineHistory(3pm)
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