diff -Nur mc-4.8.20.old/po/ru.po mc-4.8.20/po/ru.po

--- mc-4.8.20.old/po/ru.po	2017-12-11 09:30:02.279019204 +0400

+++ mc-4.8.20/po/ru.po	2017-12-11 10:28:52.633788885 +0400

@@ -680,6 +680,9 @@

 msgid "Disables subshell support"

 msgstr "Отключить поддержку встроенной командной оболочки"

+msgid "Force subshell execution"

+msgstr "Принудительное выполнение во встроенной командной оболочке"

+

 msgid "Log ftp dialog to specified file"

 msgstr "Записывать диалог с FTP в заданный файл"

diff -Nur mc-4.8.20.old/src/args.c mc-4.8.20/src/args.c

--- mc-4.8.20.old/src/args.c	2017-12-11 09:30:02.297019051 +0400

+++ mc-4.8.20/src/args.c	2017-12-11 10:28:52.635788868 +0400

@@ -43,6 +43,7 @@

 #include "src/args.h"

 /*** external variables **************************************************************************/

+extern int force_subshell_execution;

 /*** global variables ****************************************************************************/

@@ -154,6 +155,13 @@

      N_("Disables subshell support"),

      NULL

     },

+

+    {

+     "forceexec", 'r', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE,

+     &force_subshell_execution,

+     N_("Force subshell execution"),

+     NULL

+    },

 #endif

     /* debug options */

diff -Nur mc-4.8.20.old/src/execute.c mc-4.8.20/src/execute.c

--- mc-4.8.20.old/src/execute.c	2017-12-11 09:30:02.301019017 +0400

+++ mc-4.8.20/src/execute.c	2017-12-11 10:31:22.850491471 +0400

@@ -75,6 +75,8 @@

 /* --------------------------------------------------------------------------------------------- */

+int force_subshell_execution = 0;

+

 static void

 edition_post_exec (void)

 {

@@ -431,7 +433,7 @@

 #ifdef ENABLE_SUBSHELL

     if (mc_global.tty.use_subshell)

     {

-        if (subshell_state == INACTIVE)

+        if (subshell_state == INACTIVE || force_subshell_execution)

             do_execute (mc_global.shell->path, cmd ? cmd : command, flags | EXECUTE_AS_SHELL);

         else

             message (D_ERROR, MSG_ERROR, "%s", _("The shell is already running a command"));

diff -Nur mc-4.8.20.old/src/execute.h mc-4.8.20/src/execute.h

--- mc-4.8.20.old/src/execute.h	2016-03-21 15:56:31.000000000 +0400

+++ mc-4.8.20/src/execute.h	2017-12-11 10:28:52.638788842 +0400

@@ -28,6 +28,9 @@

 /*** declarations of public functions ************************************************************/

+/* If true message "The shell is already running a command" never */

+extern int force_subshell_execution;

+

 /* Execute functions that use the shell to execute */

 void shell_execute (const char *command, int flags);