3Com Switch 7750 Configuration Guide Guide

Configuration File-Related Operations 81
You are recommended to adopt the fast saving mode in the conditions of stable
power and adopt the safe mode in the conditions of unstable power or remote
maintenance.
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You are recommended to use the save command to save the configuration
before restarting a device, so that the current configuration remains after the
device is restarted.
If you use the save command to save the current configuration file without
specifying any option, the configuration file is saved as the name of the
configuration file used in this start. If the device is started using the default
configuration file this time, the current configuration file is saved as the name
of the default configuration file.