Julia shell supports Auto Complete Feature, type one (or) more characters and press Tab key twice, it list all the available functions that starts with given characters.
julia> pr
precision prevfloat prevpow2 primesmask print_joined print_with_color process_running prod! promote_rule
precompile prevind prevprod print print_shortest println procs produce promote_shape
prepend! prevpow primes print_escaped print_unescaped process_exited prod promote promote_type
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