a note appended to a letter after the signature
In most Unix-like operating systems, the ps program displays the currently-running processes. A related Unix utility named top provides a real-time view of the running processes. In Windows PowerShell, ps is a predefined command alias for the Get-Process cmdlet which essentially serves the same purpose.
British National Corpus
Written Corpus Frequency
Rank popularity for the word 'PS' in Written Corpus Frequency: #2602
sp, SP, s.p.
The numerical value of PS in Chaldean Numerology is: 2
The numerical value of PS in Pythagorean Numerology is: 8