diff --git a/include/toksvc/toksvc.h b/include/toksvc/toksvc.h
index 06fcbd2..dd1b8a0 100644
--- a/include/toksvc/toksvc.h
+++ b/include/toksvc/toksvc.h
@@ -53,6 +53,7 @@ extern "C" {
 
 #define TOKS_DRIVER_ACTION_ACQUIRE	0X100000
 #define TOKS_DRIVER_ACTION_RELEASE	0X200000
+#define TOKS_DRIVER_ACTION_ABORT	0X400000
 
 /* error flags */
 #define TOKS_ERROR_TOP_LEVEL		0x0001
@@ -128,6 +129,7 @@ toks_api void toks_driver_set_timeout   (struct toks_driver_ctx *, int64_t milli
 toks_api void toks_driver_unset_timeout (struct toks_driver_ctx *);
 
 /* core api */
+toks_api int  toks_service_abort        (struct toks_driver_ctx *);
 
 /* client api */
 toks_api int  toks_client_connect       (struct toks_driver_ctx *);
diff --git a/project/common.mk b/project/common.mk
index 699f2a3..0879f14 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -24,6 +24,7 @@ INTERNAL_SRCS = \
 	src/internal/toksvc_ntaio_impl.c \
 	src/internal/toksvc_open_impl.c \
 	src/log/toks_log_lpc_request.c \
+	src/service/toks_service_abort.c \
 	src/skin/toks_skin_default.c \
 
 APP_SRCS = \
diff --git a/project/tree.mk b/project/tree.mk
index d95637b..e1154e5 100644
--- a/project/tree.mk
+++ b/project/tree.mk
@@ -5,6 +5,7 @@ TREE_DIRS     = bin src lib \
 		src/internal \
 		src/internal/nolibc \
 		src/log \
+		src/service \
 		src/skin \
 
 tree.tag:
diff --git a/src/driver/toks_amain.c b/src/driver/toks_amain.c
index 2b6bdaa..f989b3b 100644
--- a/src/driver/toks_amain.c
+++ b/src/driver/toks_amain.c
@@ -117,6 +117,31 @@ int toks_main(char ** argv, char ** envp)
 		}
 	}
 
+	if (dctx->cctx->drvflags & TOKS_DRIVER_ACTION_ABORT) {
+		ret = (status = toks_service_abort(dctx))
+			? 2 : 0;
+
+		switch (status) {
+			case NT_STATUS_SUCCESS:
+				toks_dprintf(STDERR_FILENO,
+					"%s: the server responded with no error.\n",
+					toks_log_basename(argv[0]),status);
+				break;
+
+			case NT_STATUS_ACCESS_DENIED:
+				toks_dprintf(STDERR_FILENO,
+					"%s: the abort operataion timed (access denied) [0x%x].\n",
+					toks_log_basename(argv[0]),status);
+				break;
+
+			default:
+				toks_dprintf(STDERR_FILENO,
+					"%s: the abort operataion failed ",
+					"(check the system's documentation) [0x%x].",
+					toks_log_basename(argv[0]),status);
+		}
+	}
+
 	return (dctx->cctx->drvflags & TOKS_DRIVER_MODE_SERVER)
 		? NT_STATUS_SERVICE_NOTIFICATION
 		: toks_exit(dctx,ret);
diff --git a/src/driver/toks_driver_ctx.c b/src/driver/toks_driver_ctx.c
index eb3738f..9da2c37 100644
--- a/src/driver/toks_driver_ctx.c
+++ b/src/driver/toks_driver_ctx.c
@@ -297,6 +297,12 @@ int toks_get_driver_ctx(
 					cctx.drvflags |= TOKS_DRIVER_MODE_CLIENT;
 					break;
 
+				case TAG_ABORT:
+					cctx.drvflags &= ~(uint64_t)TOKS_DRIVER_MODE_SERVER;
+					cctx.drvflags |= TOKS_DRIVER_MODE_CLIENT;
+					cctx.drvflags |= TOKS_DRIVER_ACTION_ABORT;
+					break;
+
 				case TAG_ACQUIRE:
 					cctx.drvflags &= ~(uint64_t)TOKS_DRIVER_MODE_SERVER;
 					cctx.drvflags |= TOKS_DRIVER_MODE_CLIENT;
diff --git a/src/internal/toksvc_driver_impl.h b/src/internal/toksvc_driver_impl.h
index cf047b9..6fc7471 100644
--- a/src/internal/toksvc_driver_impl.h
+++ b/src/internal/toksvc_driver_impl.h
@@ -26,6 +26,7 @@ enum app_tags {
 	TAG_UUID,
 	TAG_CONNECT,
 	TAG_TOKENS,
+	TAG_ABORT,
 	TAG_ACQUIRE,
 	TAG_RELEASE,
 	TAG_TIMEOUT,
diff --git a/src/service/toks_service_abort.c b/src/service/toks_service_abort.c
new file mode 100644
index 0000000..dc06583
--- /dev/null
+++ b/src/service/toks_service_abort.c
@@ -0,0 +1,36 @@
+/*********************************************************/
+/*  toksvc: a framework-native token broker service      */
+/*  Copyright (C) 2020  Z. Gilboa                        */
+/*  Released under GPLv2 and GPLv3; see COPYING.TOKSVC.  */
+/*********************************************************/
+
+#include <psxtypes/psxtypes.h>
+#include <ntapi/ntapi.h>
+
+#include <toksvc/toksvc.h>
+#include "toksvc_driver_impl.h"
+#include "toksvc_daemon_impl.h"
+
+int32_t toks_service_abort(struct toks_driver_ctx * dctx)
+{
+	int32_t			status;
+	void *			hport;
+	struct _nt_tty_ipc_msg	msg;
+
+	hport = toks_get_driver_hservice(dctx);
+
+	ntapi->tt_aligned_block_memset(
+		&msg,0,sizeof(msg));
+
+	msg.header.msg_type	= NT_LPC_NEW_MESSAGE;
+	msg.header.data_size	= sizeof(msg.data);
+	msg.header.msg_size	= sizeof(msg);
+	msg.data.ttyinfo.opcode	= TOKS_DAEMON_ABORT;
+
+	if ((status = ntapi->zw_request_wait_reply_port(hport,&msg,&msg)))
+		return status;
+
+	return (msg.data.ttyinfo.status)
+		? msg.data.ttyinfo.status
+		: NT_STATUS_SUCCESS;
+}
diff --git a/src/skin/toks_skin_default.c b/src/skin/toks_skin_default.c
index ab625a1..36d29ff 100644
--- a/src/skin/toks_skin_default.c
+++ b/src/skin/toks_skin_default.c
@@ -29,6 +29,9 @@ const struct argv_option toks_default_options[] = {
 	{"connect",		'c',TAG_CONNECT,ARGV_OPTARG_NONE,0,0,0,
 				"connect to the server without placing any request"},
 
+	{"abort",		'k',TAG_ABORT,ARGV_OPTARG_NONE,0,0,0,
+				"ask the token service to terminate"},
+
 	{"acquire",		'a',TAG_ACQUIRE,ARGV_OPTARG_NONE,0,0,0,
 				"acquire the next available token"},