F5 provides 3 different CLI navigation option:

TMSH  (tmos)#

BASH   #

bpsh     >

TMSH or Traffic Management Shell is the newer shell that is utilized to manage the F5 via CLI. BASH is used for running linux like commands with “b” as the 1st letter (#b pool show)

With the newer v11 code version, F5 is moving more towards the TMSH and has stopped developing bpsh. If you are looking to learn CLI, it is recommended that you learn TMSH on F5 rather than BASH or bpsh

To move into TMSH, type “tmsh” from BASH or bpsh

To move into BASH from TMSH, type “run util bash”

To move into bpsh from BASH, type “bpsh”

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