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1.5. User Interface

U-Boot uses a simple command line interface (CLI), usually over a serial console port.

Two different command interpreters are available:

Configuration parameters and commands / command sequences (scripts !) can be stored in "environment variables" which can be saved to non-volatile storage (flash, EEPROM, NVRAM, etc.)

1.4. Design Principles 1. Abstract 1.6. Basic Command Set
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