Serial number

Hi I’m new to this forum and amongst some of my questions is how do I find the serial number of my BagleBone Black.
Thanks in advance

the system reference manual has that info, see section 6.4:

you can easily suck that info off the eeprom, with hexdump or hd:

$ hd /sys/devices/platform/ocp/44e0b000.i2c/i2c-0/0-0050/eeprom

00000000 aa 55 33 ee 41 33 33 35 42 4e 4c 54 42 57 41 35 |.U3.A335BNLTBWA5|
00000010 32 30 30 39 42 42 57 47 30 39 34 35 ff ff ff ff |2009BBWG0945…|
00000020 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |…