Chapter 3 Initial Switch Router Configurations

Using the Boot Flash Memory SIMM

Viewing the Contents of Boot Flash Memory

You can perform the following tasks with the associated commands to view the contents of the onboard boot flash memory SIMM:

To determine which file system device you are accessing, use the print working directory (pwd) command.

Router# pwd bootflash:

To list the directory contents of any boot flash memory media, use the dir [bootflash: ] command.

Router# dir

Directory of bootflash:/

1

-rw-

3153784

<no

date>

cat2948g-in-mz.old

2

-rw-

3153932

<no

date>

cat2948g-in-mz

16777216 bytes total (7315372 bytes free) Router#

Deleting Files from Boot Flash Memory

When you delete a file from boot flash memory, the system marks the file as deleted. Deleted files cannot be recovered. The boot flash memory is not released after the image file has been deleted, only the image file is marked as deleted.

Caution When deleting files from memory, be careful not to delete all the system images. You should always retain one known good image as a backup image.

To delete a file, use the delete command. The following example demonstrates how a specified image file is deleted using the delete command.

Router# dir

Directory of bootflash:/

1

-rw-

3153784

<no date>

cat2948g-in-mz.old

2

-rw-

3153932

<no date>

cat2948g-in-mz

16777216 bytes total (7315372 bytes free)

 

Router# delete cat2948g-in-mz.old

 

 

Delete filename [cat2948g-in-mz.old]?

 

Delete bootflash:cat2948g-in-mz.old? [confirm]

 

Router# dir

 

 

 

Directory of bootflash:/

 

 

2

-rw-

3153932

<no date>

cat2948g-in-mz

16777216 bytes total (7315372 bytes free)

 

Catalyst 2948G-L3 and Catalyst 4908G-L3 Software Feature and Configuration Guide

3-6

78-10408-01, Cisco IOS Release 12.0(7)W5(15d)

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Cisco Systems 3 manual Viewing the Contents of Boot Flash Memory, Deleting Files from Boot Flash Memory

3 specifications

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