03-22-2013
How do I wipe stdout?
Today I used Terminal (invoked from Mac OS X 10.4.11) to view some data that is secured by a password.
After exiting Terminal, it occurred to me that a vestige of the data displayed on my screen might reside in memory or in disk file ... the actual file used for stdout, for example.
Do I need to take precautions to prevent the the temporary perusal of sensitive data from creating an image that hangs around after I exit, or is Unix pretty good about wiping the slate clean when I exit?
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LEARN ABOUT CENTOS
cpanplus::shell::default::plugins::customsource
CPANPLUS::Shell::Default::Plugins::CustomSource(3) User Contributed Perl Documentation CPANPLUS::Shell::Default::Plugins::CustomSource(3)
NAME
CPANPLUS::Shell::Default::Plugins::CustomSource - add custom sources to CPANPLUS
SYNOPSIS
### elaborate help text
CPAN Terminal> /? cs
### add a new custom source
CPAN Terminal> /cs --add file:///path/to/releases
### list all your custom sources by
CPAN Terminal> /cs --list
### display the contents of a custom source by URI or ID
CPAN Terminal> /cs --contents file:///path/to/releases
CPAN Terminal> /cs --contents 1
### Update a custom source by URI or ID
CPAN Terminal> /cs --update file:///path/to/releases
CPAN Terminal> /cs --update 1
### Remove a custom source by URI or ID
CPAN Terminal> /cs --remove file:///path/to/releases
CPAN Terminal> /cs --remove 1
### Write an index file for a custom source, to share
### with 3rd parties or remote users
CPAN Terminal> /cs --write file:///path/to/releases
### Make sure to save your sources when adding/removing
### sources, so your changes are reflected in the cache:
CPAN Terminal> x
DESCRIPTION
This is a "CPANPLUS::Shell::Default" plugin that can add custom sources to your CPANPLUS installation. This is a wrapper around the "custom
module sources" code as outlined in "CUSTOM MODULE SOURCES" in CPANPLUS::Backend.
This allows you to extend your index of available modules beyond what's available on "CPAN" with your own local distributions, or ones
offered by third parties.
perl v5.16.3 2013-05-20 CPANPLUS::Shell::Default::Plugins::CustomSource(3)