Index: src/shell.c
==================================================================
--- src/shell.c
+++ src/shell.c
@@ -1581,10 +1581,11 @@
   ".print STRING...       Print literal STRING\n"
   ".prompt MAIN CONTINUE  Replace the standard prompts\n"
   ".quit                  Exit this program\n"
   ".read FILENAME         Execute SQL in FILENAME\n"
   ".restore ?DB? FILE     Restore content of DB (default \"main\") from FILE\n"
+  ".save FILE             Write in-memory database into FILE\n"
   ".schema ?TABLE?        Show the CREATE statements\n"
   "                         If TABLE specified, only show tables matching\n"
   "                         LIKE pattern TABLE.\n"
   ".separator STRING      Change separator used by output mode and .import\n"
   ".show                  Show the current values for various settings\n"
@@ -2150,11 +2151,13 @@
   /* Process the input line.
   */
   if( nArg==0 ) return 0; /* no tokens, no error */
   n = strlen30(azArg[0]);
   c = azArg[0][0];
-  if( c=='b' && n>=3 && strncmp(azArg[0], "backup", n)==0 ){
+  if( (c=='b' && n>=3 && strncmp(azArg[0], "backup", n)==0)
+   || (c=='s' && n>=3 && strncmp(azArg[0], "save", n)==0)
+  ){
     const char *zDestFile = 0;
     const char *zDb = 0;
     sqlite3 *pDest;
     sqlite3_backup *pBackup;
     int j;
@@ -3498,10 +3501,30 @@
   sqlite3_snprintf(sizeof(mainPrompt), mainPrompt,"sqlite> ");
   sqlite3_snprintf(sizeof(continuePrompt), continuePrompt,"   ...> ");
   sqlite3_config(SQLITE_CONFIG_SINGLETHREAD);
 }
 
+/*
+** Output text to the console in a font that attracts extra attention.
+*/
+#ifdef _WIN32
+static void printBold(const char *zText){
+  HANDLE out = GetStdHandle(STD_OUTPUT_HANDLE);
+  CONSOLE_SCREEN_BUFFER_INFO defaultScreenInfo;
+  GetConsoleScreenBufferInfo(out, &defaultScreenInfo);
+  SetConsoleTextAttribute(out,
+         FOREGROUND_RED|FOREGROUND_INTENSITY
+  );
+  printf("%s", zText);
+  SetConsoleTextAttribute(out, defaultScreenInfo.wAttributes);
+}
+#else
+static void printBold(const char *zText){
+  printf("\033[1m%s\033[0m", zText);
+}
+#endif
+
 /*
 ** Get the argument to an --option.  Throw an error and die if no argument
 ** is available.
 */
 static char *cmdline_option_value(int argc, char **argv, int i){
@@ -3518,10 +3541,11 @@
   struct callback_data data;
   const char *zInitFile = 0;
   char *zFirstCmd = 0;
   int i;
   int rc = 0;
+  int warnInmemoryDb = 0;
 
   if( strcmp(sqlite3_sourceid(),SQLITE_SOURCE_ID)!=0 ){
     fprintf(stderr, "SQLite header and source version mismatch\n%s\n%s\n",
             sqlite3_sourceid(), SQLITE_SOURCE_ID);
     exit(1);
@@ -3612,10 +3636,11 @@
     }
   }
   if( data.zDbFilename==0 ){
 #ifndef SQLITE_OMIT_MEMORYDB
     data.zDbFilename = ":memory:";
+    warnInmemoryDb = argc==1;
 #else
     fprintf(stderr,"%s: Error: no database filename specified\n", Argv0);
     return 1;
 #endif
   }
@@ -3748,14 +3773,19 @@
       char *zHome;
       char *zHistory = 0;
       int nHistory;
       printf(
         "SQLite version %s %.19s\n" /*extra-version-info*/
-        "Enter \".help\" for instructions\n"
-        "Enter SQL statements terminated with a \";\"\n",
+        "Enter \".help\" for usage hints.\n",
         sqlite3_libversion(), sqlite3_sourceid()
       );
+      if( warnInmemoryDb ){
+        printf("Connected to a ");
+        printBold("transient in-memory database.");
+        printf("\nUse \".open FILENAME\" to reopen on a "
+               "persistent database.\n");
+      }
       zHome = find_home_dir();
       if( zHome ){
         nHistory = strlen30(zHome) + 20;
         if( (zHistory = malloc(nHistory))!=0 ){
           sqlite3_snprintf(nHistory, zHistory,"%s/.sqlite_history", zHome);