SAP AS ABAP Administration · OS Integration: Directory Structure & Users

You need to find where a transaction sits in the menu tree. A colleague says 'just open SE16 on TSTCT.' Will that give you the menu path, and if not, what does?

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More in OS Integration: Directory Structure & Users

A colleague proposes 'prd' as the SID for the new production system. It's short and three characters, yet installation rejects it. What are the hard rules for a valid SID?

At install you're prompted for both a SAPSID and a DBSID. Can they differ, should they, and is there a case that forces them apart?

OS-level abbreviations like ms, dw, and gwrd tell you a process type but not what an SAP process is currently doing. Where are those abbreviations defined, and what are ms and gwrd?

You already watch the fill level of the database and log filesystems. Why does SAP insist you also clean up the transport and instance directories, and what actually breaks if you don't?

Under the \usr\sap root you see two Windows shares, sapmnt and saploc, but on a UNIX host you don't. How is the same central-access mechanism achieved on each OS?

The team wants 'SAP' or 'TMP' as a memorable system ID. Both are three capital letters starting with a letter, yet the installer still blocks them. Why?

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