kinit saves the password to the keychain via the --keychain argument
Author: Sky   Posted: 2 December 2022   Viewed: 373 times   Tag: #Mac OS
This is only works for Mac OS X now (since 10.9, possibly earlier). Subsequent kinit invocations will automatically get the saved password from your keychain instead of prompting you to enter it.
kinit --keychain # or kinit --keychain bob@MY.REAL.COM