diff --git a/shell.c b/shell.c
index d1016a6..bbdd126 100644
--- a/shell.c
+++ b/shell.c
@@ -2109,6 +2109,67 @@ cmd_button(struct shell_ctx *ctx, int argc, char **argv) {
     COVERAGE_OFF();
 }
 
+static void
+cmd_kos_sys_misc_init_heap(struct shell_ctx *ctx, int argc, char **argv) {
+    (void)argv;
+    const char *usage = \
+        "usage: kos_sys_misc_init_heap\n";
+    if (argc != 1) {
+        fputs(usage, ctx->fout);
+        return;
+    }
+
+    COVERAGE_ON();
+    size_t heap_size = kos_sys_misc_init_heap();
+    COVERAGE_OFF();
+    fprintf(ctx->fout, "heap size = %u\n", heap_size);
+}
+
+static void
+cmd_kos_sys_misc_load_file(struct shell_ctx *ctx, int argc, char **argv) {
+    const char *usage = \
+        "usage: kos_sys_misc_load_file <filename> [-h] [-p]\n"
+        "  file             file in kolibri fs, e.g. /sys/pew/blah\n"
+        "  -h               dump bytes in hex\n"
+        "  -p               print pointers\n";
+    if (argc < 2) {
+        fputs(usage, ctx->fout);
+        return;
+    }
+    const char *fname = argv[1];
+    int show_hash = 0;
+    int show_pointers = 0;
+    optparse_init(&ctx->opts, argv+1);
+    int opt;
+    while ((opt = optparse(&ctx->opts, "hp")) != -1) {
+        switch (opt) {
+        case 'h':
+            show_hash = 1;
+            break;
+        case 'p':
+            show_pointers = 1;
+            break;
+        default:
+            fputs(usage, ctx->fout);
+            return;
+        }
+    }
+
+    COVERAGE_ON();
+    struct sys_load_file_ret ret = kos_sys_misc_load_file(fname);
+    COVERAGE_OFF();
+    if (show_pointers) {
+        fprintf(ctx->fout, "file data = %p\n", ret.fdata);
+    } else {
+        fprintf(ctx->fout, "file data = %s\n", ret.fdata ? "non-zero" : "0");
+    }
+    if (show_hash) {
+        print_hash(ctx, ret.fdata, ret.fsize);
+    }
+    fprintf(ctx->fout, "file size = %u\n", ret.fsize);
+    shell_var_add_ptr(ctx, ret.fdata);
+}
+
 static void
 cmd_load_cursor_from_file(struct shell_ctx *ctx, int argc, char **argv) {
     const char *usage = \
@@ -4077,7 +4138,8 @@ cmd_bg_unmap(struct shell_ctx *ctx, int argc, char **argv) {
     fprintf(ctx->fout, "status = %d\n", status);
 }
 
-static void cmd_help(struct shell_ctx *ctx, int argc, char **argv);
+static void
+cmd_help(struct shell_ctx *ctx, int argc, char **argv);
 
 func_table_t cmd_cmds[] = {
     { "send_scancode",                  cmd_send_scancode },
@@ -4135,6 +4197,9 @@ func_table_t cmd_cmds[] = {
     { "get_window_colors",              cmd_get_window_colors },
     { "help",                           cmd_help },
     { "i40",                            cmd_i40 },
+    // f68
+    { "kos_sys_misc_init_heap",         cmd_kos_sys_misc_init_heap },   // 11
+    { "kos_sys_misc_load_file",         cmd_kos_sys_misc_load_file },   // 27
     { "load_cursor_from_file",          cmd_load_cursor_from_file },
     { "load_cursor_from_mem",           cmd_load_cursor_from_mem },
     { "load_dll",                       cmd_load_dll },
diff --git a/test/runtests.c b/test/runtests.c
index df73c9b..f53c457 100644
--- a/test/runtests.c
+++ b/test/runtests.c
@@ -213,7 +213,7 @@ run_test(const void *arg) {
     unsigned tout = get_test_timeout(test_name);
 
     if(!CreateProcessA(NULL, "../umka_shell -ri run.us -o out.log", NULL,
-                      NULL, FALSE, 0, NULL, test_name, &si, &pi)) {
+                       NULL, FALSE, 0, NULL, test_name, &si, &pi)) {
         fprintf(stderr, "CreateProcess failed: %lu\n", GetLastError());
         return (void *)-1;
     }
diff --git a/test/t068/ref.log b/test/t068/ref.log
new file mode 100644
index 0000000..e69de29
diff --git a/test/t068/run.us b/test/t068/run.us
new file mode 100644
index 0000000..4c048e7
--- /dev/null
+++ b/test/t068/run.us
@@ -0,0 +1,13 @@
+umka_boot
+ramdisk_init ../img/kolibri.raw
+
+kos_sys_misc_init_heap
+kos_sys_misc_load_file /sys/fill.cur
+#kos_sys_misc_load_file /sys/fill.cur -h
+#kos_sys_misc_load_file /sys/fill.cur -h
+
+#kos_sys_misc_load_file /sys/spray.cur
+#kos_sys_misc_load_file /sys/spray.cur -h
+#kos_sys_misc_load_file /sys/spray.cur -h
+
+disk_del rd
diff --git a/test/t068/tags.txt b/test/t068/tags.txt
new file mode 100644
index 0000000..c12979b
--- /dev/null
+++ b/test/t068/tags.txt
@@ -0,0 +1 @@
+syscall: f68 f68s27
diff --git a/test/t068/timeout.txt b/test/t068/timeout.txt
new file mode 100644
index 0000000..39e1887
--- /dev/null
+++ b/test/t068/timeout.txt
@@ -0,0 +1 @@
+10s
diff --git a/umka.h b/umka.h
index 7e52df1..1e42863 100644
--- a/umka.h
+++ b/umka.h
@@ -1895,7 +1895,7 @@ umka_sys_move_window(size_t x, size_t y, ssize_t xsize, ssize_t ysize) {
         : "memory");
 }
 
-static inline void*
+static inline void *
 umka_sys_load_dll(const char *fname) {
     void *table;
     __asm__ __inline__ __volatile__ (
@@ -1908,6 +1908,41 @@ umka_sys_load_dll(const char *fname) {
     return table;
 }
 
+struct sys_load_file_ret {
+    void *fdata;
+    size_t fsize;
+};
+
+static inline size_t
+kos_sys_misc_init_heap(void) {
+    size_t heap_size;
+
+    __asm__ __inline__ __volatile__ (
+        "call   i40"
+        : "=a"(heap_size)
+        : "a"(68),
+          "b"(11)
+        : "memory");
+
+    return heap_size;
+}
+
+static inline struct sys_load_file_ret
+kos_sys_misc_load_file(const char *fname) {
+    struct sys_load_file_ret ret;
+
+    __asm__ __inline__ __volatile__ (
+        "call   i40"
+        : "=a"(ret.fdata),
+          "=d"(ret.fsize)
+        : "a"(68),
+          "b"(27),
+          "c"(fname)
+        : "memory");
+
+    return ret;
+}
+
 static inline void
 umka_sys_lfn(void *f7080sXarg, f7080ret_t *r, f70or80_t f70or80) {
     __asm__ __inline__ __volatile__ (