Chapter 8. Environment variables
| Part II. Reference |

## Chapter 8. Environment variables

`BIBINPUTS`

  Extra paths to locate `.bib` files.

`BSTINPUTS`

  Extra paths to locate `.bst` files.

`MFINPUTS`

  Extra paths to locate METAFONT input and openin files.

`MIKTEX_REPOSITORY`

  Location of the package repository. This can be either a fully qualified path name (a local package repository) or an URL (a remote package repository).

`MIKTEX_TRACE`

  Comma-separated list of trace stream names (see Chapter 9, Trace Streams). If this variable is set, then MiKTeX programs will write trace messages into the DebugView window.

`MPINPUTS`

  Extra paths to locate MetaPost input files.

`TEXINPUTS`

  Extra paths to locate TeX \input and \openin files.

`TFMFONTS`

  Extra paths to locate TeX font metric files

updmap.cfg |  | Chapter 9. Trace Streams