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Full Discussion: Hiding commnd line arguments in ps command on Linux
Top Forums Programming Hiding commnd line arguments in ps command on Linux Post 302904701 by cnamejj on Thursday 5th of June 2014 07:53:51 PM
Old 06-05-2014
The answer to how that program work are in the URL you linked.

The called program overwrites it's arguments after making a copy of them. But as one of the other comments adds, there's still a brief period of time when the commands arguments are visible so it's not foolproof.

The only way to make sure information you want to remain private isn't exposed as a command argument is to either encrypt it first, or to have the calling and called program communicate the info some other way. You could use a file, shared memory, IPC, a pipe, etc...
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LEARN ABOUT DEBIAN

jzip

JZIP(6) 						 John's Z-code Interpreter Program						   JZIP(6)

NAME

       jzip - execute Infocom v1-5 and Inform v1-5 & v8 game files

SYNOPSIS

       jzip [ options ] z-file-name

DESCRIPTION

       jzip invokes the Z-code Interpreter.

REQUIREMENTS

       jzip  will  run	under  most  (if  not all) flavors of Unix, including AIX, Solaris, SunOS, HP/UX, Linux, Free/NetBSD, IRIX, NeXT Mach, DEC
       OSF/1, and others.

EDITING

       JZip now supports arrowkey editing in UNIX.

       Up/Down
	      selects the previous / next command in history

       Left/Right
	      moves the cursor over the line.

       Backspace
	      deletes

       Typing inserts under the cursor

OPTIONS

       -l n   lines in display

       -c n   columns in display

       -r n   text right margin (default = 1)

       -t n   text top margin (default = 0)

       -v     display version information

       -m     monochrome mode

       -y     set Tandy bit

       -s n   zmachine strict level, from 0 (none), 1 (report once, recommended) to 3.

ENVIRONMENT

       jzip looks for the environment variable INFOCOM_PATH and will use the path found there to look for the story file specified on the  command
       line if the story file cannot be found in the current directory.

CREDITS

       jzip is written and maintained by John Holder (j-holder@home.com), based on the ZIP v2.0 sources by Mark Howell and Olaf 'Olsen' Barthel.

AVAILABILITY

       The most recent version of jzip can be downloaded from one of:

       http://www.jzip.sourceforge.net/

       ftp://ifarchive.org/infocom/interpreters/zip/

FILES

       /usr/games/jzip
	      The Z-Code Interpreter Program

       /usr/lib/games/zfiles
	      Recommended location for Zcode files

RELATED USENET NEWSGROUPS

       Interactive Fiction (IF) authors should check out rec.arts.int-fiction, and IF players should check out rec.games.int-fiction.

2.1																	   JZIP(6)
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