Intergraph Corp has revised the range of tools available for its Unix customers so that they can integrate and migrate to its Windows NT. PC-Network File System 2.2 for accessing Unix files from NT includes new directory and file system support plus pcnfs printing. Available on iAPX-86, Alpha, R-series and PowerPC from this month, it costs from $400, or $600 bundled with version 2.1 of DiskShare the Network File System server that enables Unix users to access NT file systems from Windows File Manager. Version 2.0 of the Exalt X server now supports Windows95 and costs from $350, while release 2.1 of the Batch Services task queuing software is from $250.