>> How to get information of a file with file identifier ?
Use DFU :
$ dir/full login.com
Directory SYS$COMMON:[SYSMGR]
LOGIN.COM;6 File ID: (10462,29,0)
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$ dfu search dsa10: /fid=10462
Disk and File Utilities for OpenVMS V3.2
%DFU-I-SEARCH, Start search on DSA10: (DSA10:)
DSA10:[VMS$COMMON.SYSMGR]LOGIN.COM;6 2/137
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