(1) To place an entry on a blog or social networking site. The term post dates back to the earliest days of manual record keeping, where "to post to an account" meant to make an entry in a paper ledger. See
blog post and
posting.
(2) (POST) (
Power
On
Self
Test) A series of built-in diagnostics performed by the BIOS in a PC when the computer is first started. See
POST code and
POST card.
(3) An HTTP command used to send text to a Web server for processing. See
HTTP POST.
(4) Short for
post-production.
(5) (PoSt) (
Proof-
Of-
Space
Time) See
Filecoin.