Re: Emacs in a Corporate Environment

[Marcin Borkowski]

On 2023-04-14, at 16:52, Eli Zaretskii <eliz@gnu.org> wrote:

>> From: Michael Albinus <michael.albinus@gmx.de>
>> Cc: Corwin Brust <corwin@bru.st>,  Yuan Cao <yuancao85@gmail.com>,
>>  help-gnu-emacs@gnu.org,  John Yates <john@yates-sheets.org>
>> Date: Fri, 14 Apr 2023 16:36:37 +0200
>> 
>> > I guess some internet beast swallowed the rest of your letter, but
>> > I second the message that OP should /not/ be embarrassed.  Silly jokes
>> > aside, the question is a valid one.  In fact, there is one area I am
>> > a bit afraid of wrt Emacs & security, and if I may hijack the thread (a
>> > bit), let me ask this: if I edit remote files via TRAMP, can I be sure
>> > not even partial copy of data from the server ends up on my local drive,
>> > e.g. in /tmp?
>> 
>> You can be sure that a copy of your remote data end up in your local
>> drive in /tmp. Tramp is busy to clenaup after the operations, but there
>> is no guarantee that it will cover everything. And if somebody calls
>> `file-local-copy' of a remote file, this ends up in your /tmp by
>> intention of the caller.
>
> Actually, you don't even need file-local-copy in the picture.  Every
> modern OS has a swap file, which is used as the "backing store" for
> the VM allocations.  So once you have any text in memory, chances are
> its copy will end up on disk, and these chances go up as time goes by
> and the probability of the memory holding the text to be swapped out
> increases.
>
> The rule is: anything you have in memory can very well end up being
> somewhere on your local disk.

Good point, though my new laptop (which I am in the process of
configuring now) has enough RAM not to use swap (which is good).

Best,

-- 
Marcin Borkowski
http://mbork.pl