On 03/10/2014 07:29 AM, Darac Marjal wrote:
On Sun, Mar 09, 2014 at 10:38:35AM -0400, Rob Owens wrote:
/snip/
Actually, SysRq+K is the Secure Attention Key (SAK). It is the
equivalent of Ctrl+Alt+Del in Windows. Basically, the intention is
that, if you walk up to a computer you have access to, but don't
necessarily trust, you press this key combo before logging in. You are
then taken to a secure state where it's safe to enter your credentials
- that is, you're not looking at some application that's pretending to
be a login window (a trojan), you are actually at a login window. On
Windows, this is achieved by switching to the Winlogon component. In
DOS, this was achieved by forcing a reboot. In Linux, this is achieved
by killing every application on the TTY (init will then typically
spawn a new getty for you).
This might work in Debian, but it doesn't work in PCLOS KDE 64-bit. So
it's not universal to Linux.
--doug
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