Answers for "how to start psql"

how to start psql in linux

sudo service postgresql start
# To start the postgresql service

run postgres locally

$ pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start

how to run postgresql in linux

sudo service postgresql-9.3 initdb

how to start postgresql server

pg_ctl.exe start -D  "C:\Program Files\PostgreSQL\"Version"\data