diff --git a/nshlib/nsh.h b/nshlib/nsh.h
index 9220502f3..af6cdb058 100644
--- a/nshlib/nsh.h
+++ b/nshlib/nsh.h
@@ -659,6 +659,11 @@ struct nsh_parser_s
   bool     np_redir_out; /* true: Output from the last command was re-directed */
   bool     np_redir_in;  /* true: Input from the last command was re-directed */
   bool     np_fail;      /* true: The last command failed */
+  pid_t    np_lastpid;   /* Pid of the last command executed */
+#ifdef NSH_HAVE_VARS
+  char     np_pids[32];  /* String representation of the last pid */
+#endif
+
 #ifndef CONFIG_NSH_DISABLESCRIPT
   uint8_t  np_flags;     /* See nsh_npflags_e above */
 #endif
diff --git a/nshlib/nsh_builtin.c b/nshlib/nsh_builtin.c
index ea80c0cc7..7cdfd9b61 100644
--- a/nshlib/nsh_builtin.c
+++ b/nshlib/nsh_builtin.c
@@ -121,6 +121,7 @@ int nsh_builtin(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd,
        *     foreground
        */
 
+       vtbl->np.np_lastpid = ret;
 #ifdef CONFIG_SCHED_WAITPID
 
       /* CONFIG_SCHED_WAITPID is selected, so we may run the command in
diff --git a/nshlib/nsh_command.c b/nshlib/nsh_command.c
index 64932e419..af5a09933 100644
--- a/nshlib/nsh_command.c
+++ b/nshlib/nsh_command.c
@@ -1256,6 +1256,7 @@ int nsh_command(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char *argv[])
     }
 
   ret = handler(vtbl, argc, argv);
+  vtbl->np.np_lastpid = getpid();
   return ret;
 }
 
diff --git a/nshlib/nsh_fileapps.c b/nshlib/nsh_fileapps.c
index 89094b284..a5ae19dd5 100644
--- a/nshlib/nsh_fileapps.c
+++ b/nshlib/nsh_fileapps.c
@@ -202,6 +202,7 @@ int nsh_fileapp(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd,
        *     foreground
        */
 
+       vtbl->np.np_lastpid = pid;
 #ifdef CONFIG_SCHED_WAITPID
       /* CONFIG_SCHED_WAITPID is selected, so we may run the command in
        * foreground unless we were specifically requested to run the command
diff --git a/nshlib/nsh_parse.c b/nshlib/nsh_parse.c
index 14cf1e879..2119d4b47 100644
--- a/nshlib/nsh_parse.c
+++ b/nshlib/nsh_parse.c
@@ -281,6 +281,7 @@ static const char g_redirect_out2[]  = ">>";
 static const char g_redirect_in1[]   = "<";
 #ifdef NSH_HAVE_VARS
 static const char g_exitstatus[]      = "?";
+static const char g_lastpid[]         = "!";
 static const char g_success[]         = "0";
 static const char g_failure[]         = "1";
 #endif
@@ -1262,6 +1263,11 @@ static FAR char *nsh_envexpand(FAR struct nsh_vtbl_s *vtbl,
           return (FAR char *)g_success;
         }
     }
+  else if (strcmp(varname, g_lastpid) == 0)
+    {
+      itoa(vtbl->np.np_lastpid, vtbl->np.np_pids, 10);
+      return vtbl->np.np_pids;
+    }
   else
     {
       FAR char *value;