Hi again,
After consultation of "UCI_command_usage" and of "Crontabs" pages, here under are the commands I introduced, but did not succeed to get the expected result. Could you review them and point to my errors ? Thank you so much for your support.
root@Teltonika-TRB140:~# uci get <config> <ioman>
-ash: syntax error: unexpected redirection
root@Teltonika-TRB140:~# uci get <config>,<ioman>
-ash: syntax error: unexpected newline
root@Teltonika-TRB140:~# uci get <config> ioman
-ash: can't open config: no such file
root@Teltonika-TRB140:~# uci get <config>.ioman
-ash: can't open config: no such file
root@Teltonika-TRB140:~# 0012*** uci set ioman.dio1.value='1' && uci commit ioman
-ash: 0012***: not found
root@Teltonika-TRB140:~# 0012*** uci set ioman.dio1.value='1'
-ash: 0012***: not found