What are the differences between AIX 5.2 and AIX 5.3?

UNIX AIX
1

Hi everbody...
We are using AIX 5.2 in us project and I want to change with AIX 5.3 but we don't know the differences AIX5.3 and AIX 5.2 (especially commands) :confused:

2

This should answear most of your questions => IBM Redbooks | AIX 5L Differences Guide Version 5.3 Edition (AIX 5L Differences Guide Version 5.3)

3

One difference you might want to consider is that 5.2 is no longer officially supported:

IBM Software Support: System p product lifecycle dates

Go for 5.3!