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   ## <a id='login'></a> Log In With the API
   
  -You can write a script to log in and set your target using the non-interactive cf api , cf auth, and cf target commands.
  -
  -For more information, see the following:
  +You can write a script to log in and set your target using the non-interactive `cf api` , `cf auth`, and `cf target` commands.
  +
  +For more information, see the following topics in the _Cloud Foundry CLI Reference Guide_:
   
   * [api](http://cli.cloudfoundry.org/en-US/cf/api.html)
   * [auth](http://cli.cloudfoundry.org/en-US/cf/auth.html)
  
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  ## <a id='return-codes'></a> Retrieve cf CLI Return Codes
  
  The cf CLI uses exit codes, which help with scripting and confirming that a command has run successfully. 
  
  After you run a cf CLI command, you can retrieve its return code by running `echo $?` on Mac or `echo %ERRORLEVEL%` on Windows. If the return code is `0`, the command was successful.
  
  ## <a id='help'></a> View CLI Help Output
  
  The `cf help`  command lists the cf CLI commands and a brief description of each. For more information, see [help](http://cli.cloudfoundry.org/en-US/cf/help.html) in the _Cloud Foundry CLI Reference Guide_.
  
  Passing the `-h` flag to any command lists detailed help, including any aliases. 
  
  The following example shows detailed help output for `cf delete`:
  
  
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  ### <a id='listing-users'></a> List Users
  
  This section describes how to list users in an org or space. For more information, see [org-users](http://cli.cloudfoundry.org/en-US/cf/org-users.html) and [space-users](http://cli.cloudfoundry.org/en-US/cf/space-users.html) in the _Cloud Foundry CLI Reference Guide_.
  
  To list users in an org or a space:
  
  