Well, I'm not too sure if you are referring to Adobe PostScript. But, PostScript (PS) is a dynamically typed concatenative programming language which is used as a page description language in the electronic and desktop publishing areas.
Reference taken from Wikipedia
post script was developed by Adobe systems.
PPS stands for "Post Post Script". Just as PS stands for "Post Script", PPS stands for "Post Post Script", PPPS would stand for "Post Post Post Script" etc. A post script is any text written below the signature on a letter. If you forget to write something in the letter, you would put the in the PS, is you forget to write some in the PS would would write a PPS, and so on.
To determine your own opinion about a text
Assuming the message states,"Windows Script Host cannot find the script file C:\Documents and Settings\<Username>\boot.vbs", where <Username> is your user account name. Sounds like a crippled virus or worm. The computer thinks it is supposted to start the script upon Windows startup, but the file is missing. There is no such file included with Windows by default.
A script virus is one that is written in a scripting language. Some Windows viruses, for example, are written as Visual Basic scripts.
post script was developed by Adobe systems.
It stands for post-script.(from the latin post scriptum -meaning after writing.) It is used when the writer remembers something after they had already signed their name.
In a letter, you would 'add the ps' after (below) signing the letter. A Post script can be added by using the initials like so:P.s: Or, you may even add a Post post script by using THESE initials:P.p.s: I hope this posting of Post script and Post post script usage is of some use to you.
P.S. also means 'Post Script'
PPS stands for "Post Post Script". Just as PS stands for "Post Script", PPS stands for "Post Post Script", PPPS would stand for "Post Post Post Script" etc. A post script is any text written below the signature on a letter. If you forget to write something in the letter, you would put the in the PS, is you forget to write some in the PS would would write a PPS, and so on.
The correct order is PPS (Professional Services) as opposed to PSS. It refers to services provided by professionals within a specific field or industry.
P.S. at the end of a letter stands for Post Script. Post=after and script=letter. After Letter message. And P.P.S. = post, post script. They are both for if you forgot to write something in the letter, and want to add it in.
PS.
Short for "post script" meaning after writing. Some thing that is added after the main text.
Post post script most common.
Post Script is just another meaning of P.S when written at the end of a letter to add an additional piece of information.
The post script is after a letter. It also Means P.S.