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PSS 5000 – Technical Manual
2 System Description
2.2.1 Virtual File System
Structure of virtual file
system
The PSS 5000 has a UNIX inspired virtual file system, with the following top-
level structure:
Description of the virtual
file system catalogs
Each of the catalogs present in the virtual file system are described in the table
below:
Catalog Description
pss_dev The pss_dev catalog gives access to devices; both
physical devices (FLASH PROM) and logical (a NULL
device).
pss_mem The pss_mem catalog gives access to the different lev-
els of memory in the PSS 5000; both the FLASH
PROM and the static RAM.
For more information, see ‘2.2.2 Memory Structure’ on
page 16.
pss_proc The pss_proc catalog contains runtime-generated files.
All PSS 5000 systems have, as a minimum, the follow-
ing files in this catalog:
• hw_inf.txt (Hardware information)
• appl_inf.txt (Application information)
• lam_inf.txt (Legal Authority Module information)
• boot_inf.txt (BOOT information)
• bel.txt (Board Error Log)
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