Create an empty repo:

  $ hg init a

  $ cd a

Try some commands:

  $ hg log

  $ hg grep wah

  [1]

  $ hg manifest

  $ hg verify

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  checked 0 changesets with 0 changes to 0 files

Check the basic files created:

  $ ls .hg

  00changelog.i

  cache

  requires

  store

  wcache

Should be empty:

  $ ls .hg/store

Poke at a clone:

  $ cd ..

  $ hg clone a b

  updating to branch default

  0 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ cd b

  $ hg verify

  checking changesets

  checking manifests

  crosschecking files in changesets and manifests

  checking files

  checked 0 changesets with 0 changes to 0 files

  $ ls .hg

  00changelog.i

  hgrc

  requires

  store

Should be empty:

  $ ls .hg/store

  $ cd ..