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ZyWALL USG 50 User’s Guide
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47.1  Overview
Configuration files define the ZyWALL’s settings. Shell scripts are files of 
commands that you can store on the ZyWALL and run when you need them. You 
can apply a configuration file or run a shell script without the ZyWALL restarting. 
You can store multiple configuration files and shell script files on the ZyWALL. You 
can edit configuration files or shell scripts in a text editor and upload them to the 
ZyWALL. Configuration files use a .conf extension and shell scripts use a .zysh 
extension.
47.1.1  What You Can Do in this Chapter
• Use  the  Configuration File screen (see 
) to store and 
name configuration files. You can also download configuration files from the 
ZyWALL to your computer and upload configuration files from your computer to 
the ZyWALL.
• Use  the  Firmware Package screen (see 
) to check 
your current firmware version and upload firmware to the ZyWALL.
• Use  the  Shell Script screen (see 
) to store, name, 
download, upload and run shell script files. 
47.1.2  What you Need to Know 
Configuration Files and Shell Scripts
When you apply a configuration file, the ZyWALL uses the factory default settings 
for any features that the configuration file does not include. When you run a shell 
script, the ZyWALL only applies the commands that it contains. Other settings do 
not change.