PNU-2021.6.13

Includes:

• 2 UNIX commands:
  • basename(1) and dirname(1) - POSIX.1 / FreeBSD / GNU / Plan 9 / Inferno compatible
• 1 deprecated UNIX command:
  • prep(1) new - from UNIX 7th edition
• 3 custom utilities:
  • b2bt(1), about(1), echobox(1)
• 7 b2bt test files:
  • basename(1), dirname(1), echo(1), yes(1)
  • false(1), prep(1), true(1) new

And for the first time, a compressed archive of our command package template.