Use of UNIX95

[Vibhor Kumar Agarwal]

Hi,

I am seeing this in a lot of posts.

What is exactly this.

Thanks

[Ralph Grothe · Accepted solution]

Setting the environment variable UNIX95 advises many programs to obey certain rules/recommendations set forth in the XOpen Portibilty Guide V4.

http://docs.hp.com/en/5971-2270/ch05s01.html

For the most time you will see it in conjunction with the ps command.
There it gives you anhanced features such as internal parsing or hirarchy display of processes.
I think it was once better explained by Bill Hassle (hope I wrote his name correct)
Just browse the forum.

[Alex Lavrov.]

it's just enables commands to behave as in XPG4 environment. When you see in man page - XPG4 only - it means, that you can use this option, when UNIX95 flag is enabled.

[Dietmar Konermann]

Some commands behave differently (i.e. according to XPG4 standards) when UNIX95 is set. Usually that is documented in the man pages, see section EXTERNAL INFLUENCES.

e.g. ps(1):

EXTERNAL INFLUENCES
Environment Variables
UNIX95 specifies to use the XPG4 behavior for this command. The
changes for XPG4 include support for the entire option set specified
above and include the following behavioral changes:

...

Best regards...
Dietmar.

[Joseph Loo]

hi,

man ps and look under Environment Variables which describes what UNIX95 is about.

u may like to read this post as well:

http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=732366

regards.

[Joshua Scott]

see here:
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=943707

josh