diff --git a/subsys/shell/Kconfig b/subsys/shell/Kconfig
index fcc2e3f89aa..ca1a6aa2370 100644
--- a/subsys/shell/Kconfig
+++ b/subsys/shell/Kconfig
@@ -203,6 +203,12 @@ config SHELL_CMDS_SELECT
 	  This option enables select command. It can be used to set new root
 	  command. Exit to main command tree is with alt+r.
 
+config SHELL_CMD_ROOT
+	string "Set a root command at init"
+	help
+	  This option sets a root command at shell init,
+	  and when exiting to main command tree with alt+r.
+
 config SHELL_LOG_BACKEND
 	bool "Enable shell log backend"
 	depends on LOG && !LOG_MINIMAL
diff --git a/subsys/shell/shell.c b/subsys/shell/shell.c
index e58f5bd0098..c71f54e6844 100644
--- a/subsys/shell/shell.c
+++ b/subsys/shell/shell.c
@@ -107,8 +107,9 @@ static inline enum shell_state state_get(const struct shell *shell)
 static inline const struct shell_static_entry *
 selected_cmd_get(const struct shell *shell)
 {
-	if (IS_ENABLED(CONFIG_SHELL_CMDS_SELECT)) {
-	       return shell->ctx->selected_cmd;
+	if (IS_ENABLED(CONFIG_SHELL_CMDS_SELECT)
+	    || (CONFIG_SHELL_CMD_ROOT[0] != 0)) {
+		return shell->ctx->selected_cmd;
 	}
 
 	return NULL;
@@ -267,7 +268,8 @@ static bool tab_prepare(const struct shell *shell,
 	/* terminate arguments with NULL */
 	(*argv)[*argc] = NULL;
 
-	if (IS_ENABLED(CONFIG_SHELL_CMDS_SELECT) && (*argc > 0) &&
+	if ((IS_ENABLED(CONFIG_SHELL_CMDS_SELECT) || (CONFIG_SHELL_CMD_ROOT[0] != 0))
+	    && (*argc > 0) &&
 	    (strcmp("select", (*argv)[0]) == 0) &&
 	    !z_shell_in_select_mode(shell)) {
 		*argv = *argv + 1;
@@ -827,7 +829,11 @@ static void alt_metakeys_handle(const struct shell *shell, char data)
 			z_shell_cmd_line_erase(shell);
 			z_shell_fprintf(shell, SHELL_WARNING,
 					"Restored default root commands\n");
-			shell->ctx->selected_cmd = NULL;
+			if (CONFIG_SHELL_CMD_ROOT[0]) {
+				shell->ctx->selected_cmd = root_cmd_find(CONFIG_SHELL_CMD_ROOT);
+			} else {
+				shell->ctx->selected_cmd = NULL;
+			}
 			z_shell_print_prompt_and_cmd(shell);
 		}
 	}
@@ -1149,6 +1155,9 @@ static int instance_init(const struct shell *shell, const void *p_config,
 
 	memset(shell->ctx, 0, sizeof(*shell->ctx));
 	shell->ctx->prompt = shell->default_prompt;
+	if (CONFIG_SHELL_CMD_ROOT[0]) {
+		shell->ctx->selected_cmd = root_cmd_find(CONFIG_SHELL_CMD_ROOT);
+	}
 
 	history_init(shell);
 
@@ -1258,7 +1267,8 @@ void shell_thread(void *shell_handle, void *arg_log_backend,
 		return;
 	}
 
-	if (IS_ENABLED(CONFIG_SHELL_LOG_BACKEND) && log_backend) {
+	if (IS_ENABLED(CONFIG_SHELL_LOG_BACKEND) && log_backend
+	    && !IS_ENABLED(CONFIG_SHELL_START_OBSCURED)) {
 		z_shell_log_backend_enable(shell->log_backend, (void *)shell,
 					   log_level);
 	}
diff --git a/subsys/shell/shell_utils.c b/subsys/shell/shell_utils.c
index 8939ee4aa2b..132dc6e6970 100644
--- a/subsys/shell/shell_utils.c
+++ b/subsys/shell/shell_utils.c
@@ -229,7 +229,7 @@ static inline uint32_t shell_root_cmd_count(void)
 }
 
 /* Function returning pointer to parent command matching requested syntax. */
-static const struct shell_static_entry *root_cmd_find(const char *syntax)
+const struct shell_static_entry *root_cmd_find(const char *syntax)
 {
 	const size_t cmd_count = shell_root_cmd_count();
 	const struct shell_cmd_entry *cmd;
diff --git a/subsys/shell/shell_utils.h b/subsys/shell/shell_utils.h
index b64e6cd6bb4..866ff870860 100644
--- a/subsys/shell/shell_utils.h
+++ b/subsys/shell/shell_utils.h
@@ -81,6 +81,8 @@ const struct shell_static_entry *z_shell_get_last_command(
 void z_shell_spaces_trim(char *str);
 void z_shell_cmd_trim(const struct shell *shell);
 
+const struct shell_static_entry *root_cmd_find(const char *syntax);
+
 static inline void z_transport_buffer_flush(const struct shell *shell)
 {
 	z_shell_fprintf_buffer_flush(shell->fprintf_ctx);