Looking for logging into the Postgresql Commands site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Postgresql Commands site. After that you can login as usual with your login credentials.
https://alvinalexander.com/blog/post/postgresql/log-in-postgresql-database
https://wiki.postgresql.org/wiki/First_steps
https://www.postgresql.org/docs/9.2/app-psql.html
https://www.a2hosting.com/kb/developer-corner/postgresql/connect-to-postgresql-from-the-command-line
http://www.postgresqltutorial.com/psql-commands/
https://gist.github.com/Kartones/dd3ff5ec5ea238d4c546
https://stackoverflow.com/questions/46576802/how-to-login-postgresql-in-cmd
http://postgresguide.com/utilities/psql.html
https://medium.freecodecamp.org/how-to-get-started-with-postgresql-9d3bc1dd1b11
https://chartio.com/resources/tutorials/how-to-list-databases-and-tables-in-postgresql-using-psql/
https://greenplum.org/gpdb-sandbox-tutorials/psql-commandline-client/
https://www.w3resource.com/PostgreSQL/connect-to-postgresql-database.php
http://suite.opengeo.org/opengeo-docs/dataadmin/pgGettingStarted/firstconnect.html