1. Tutorial http://www.passwordstore.org/
2. Man http://git.zx2c4.com/password-store/about/

Install from Slackbuilds:

password-store
  xclip
  pwgen

Create a GPG key called eg. „Beckis Password Storage Key“ with a strong password.
Then init pass:

pass init "Beckis Password Storage Key"

The name of the key will appear in ~/.password-store/.gpg-id
Then initialize the password store as a git repository:

pass git init

Getting help (good)

pass help

List passwords:

pass
Password Store
`-- Hugo

Show/copy a password:

$ pass Hugo
Habicht
$ pass -c Hugo
Copied Hugo to clipboard. Will clear in 45 seconds.

Add a password:

$ pass insert ebay

Other:

$ pass mv
$ pass rm
$ pass cp