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Working with the Cisco IOS File System, Configuration Files, and Software Images
Working with the Flash File System
privileged EXEC command. You can set the default file system to omit the filesystem: argument from related commands.
For example, for all privileged EXEC commands that have the optional filesystem: argument, the system uses the file
system specified by the cd command.
By default, the default file system is flash:.
You can display the current default file system as specified by the cd command by using the pwd privileged EXEC
command.
Displaying Information About Files on a File System
You can view a list of the contents of a file system before manipulating its contents. For example, before copying a new
configuration file to flash memory, you might want to verify that the file system does not already contain a configuration
file with the same name. Similarly, before copying a flash configuration file to another location, you might want to verify
its filename for use in another command.
To display information about files on a file system, use one of the privileged EXEC commands in Table 67 on page 996.
Changing Directories and Displaying the Working Directory
Beginning in privileged EXEC mode, follow these steps to change directories and display the working directory:
Creating and Removing Directories
Beginning in privileged EXEC mode, follow these steps to create and remove a directory:
Table 67 Commands for Displaying Information About Files
Command Description
dir [/all] [filesystem:][filename] Display a list of files on a file system.
show file systems Display more information about each of the files on a file system.
show file information file-url Display information about a specific file.
show file descriptors Display a list of open file descriptors. File descriptors are the internal representations
of open files. You can use this command to see if another user has a file open.
Command Purpose
1. dir filesystem: Displays the directories on the specified file system.
For filesystem:, use flash: for the system board flash device.
2. cd new_configs Changes to the directory of interest.
The command example shows how to change to the directory named
new_configs.
3. pwd Displays the working directory.
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