https://bugzilla.altlinux.org/show_bug.cgi?id=18343

--- apt/cmdline/apt-shell.cc

+++ apt/cmdline/apt-shell.cc

@@ -4477,10 +4477,18 @@ int main(int argc,const char *argv[])

       }

       line = readline(_config->Find("APT::Shell::Prompt", "apt> ").c_str());

-      if (!line || !*line) {

-	 free(line);

-	 continue;

+      if (!line) {

+        c1out << endl;

+        // exit from shell by EOF

+         _config->Set("quit", "true");

+         continue;

+      }

+

+      if (!*line) {

+         free(line);

+         continue;

       }

+

       add_history(line);

       largc = 1; // CommandLine.Parse() ignores the first option.