
Using Technician Interface Software
4-2 117381-A Rev. A
Overview
The NVFS file system on the router reads and writes to one or more memory
cards. Memory cards exist in 2-MB, 4-MB, and 8-MB sizes. Each memory card
provides system access to the software image and configuration file during a cold
start. (A cold start occurs when you cycle the power on the router, or after you
enter the
diags command.)
Each FRE
®
module (BLN, BLN-2, BCN) in a router can host one memory card. A
Flash System Controller (VME-based routers only) in a router can host one or two
memory cards. Multiple memory cards are optional in the router. The section that
follows suggests how to manage multiple memory cards.
A volume number is the same number as the slot that hosts the memory card. For
example, volume 2 resides on slot 2.
T
able 4-1 outlines the NVFS commands. The Wildcard column indicates whether
you can use wildcards (
* and ?) when entering the commands. You use wildcards
to display multiple file names, and to copy or delete multiple files. The wildcards
have the same meaning as those in UNIX:
• The
* wildcard matches any number of characters, including zero characters.
• The
? wildcard matches any single character. A match occurs only when a
character is present in the position indicated by the wildcard.
The sections that follow describe the commands in detail. They also show how to
use the wildcards.
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