diff --git a/.idea/misc.xml b/.idea/misc.xml
index 79b3c94..0b76fe5 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="CMakePythonSetting">
+    <option name="pythonIntegrationState" value="YES" />
+  </component>
   <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
 </project>
\ No newline at end of file
diff --git a/include/blisp_easy.h b/include/blisp_easy.h
index 15f35cc..66e040a 100644
--- a/include/blisp_easy.h
+++ b/include/blisp_easy.h
@@ -8,7 +8,10 @@
 struct blisp_easy_transport {
   uint8_t type;  // 0 - memory, 1 - FILE file_handle
   union {
-    FILE* file_handle;
+    struct {
+      FILE* file_handle;
+      int64_t file_size;
+    } file;
     struct {
       void* data_location;
       uint32_t data_size;
diff --git a/lib/blisp_easy.c b/lib/blisp_easy.c
index f96debe..978d910 100644
--- a/lib/blisp_easy.c
+++ b/lib/blisp_easy.c
@@ -19,7 +19,7 @@ static blisp_return_t blisp_easy_transport_read(
     transport->data.memory.current_position += size;
     return size;
   } else {
-    return fread(buffer, size, 1, transport->data.file_handle);
+    return fread(buffer, size, 1, transport->data.file.file_handle);
   }
 }
 
@@ -28,9 +28,13 @@ static blisp_return_t blisp_easy_transport_size(
   if (transport->type == 0) {
     return transport->data.memory.data_size;
   } else {
-    // TODO: Implement
-    printf("%s() Warning: calling non-implemented function\n", __func__);
-    return BLISP_ERR_NOT_IMPLEMENTED;
+    if (transport->data.file.file_size == -1) {
+      FILE* handle = transport->data.file.file_handle;
+      fseek(handle, 0, SEEK_END);
+      transport->data.file.file_size = ftell(handle);
+      rewind(handle);
+    }
+    return transport->data.file.file_size;
   }
 }
 
@@ -43,7 +47,7 @@ static void blisp_easy_report_progress(blisp_easy_progress_callback callback,
 }
 
 struct blisp_easy_transport blisp_easy_transport_new_from_file(FILE* file) {
-  struct blisp_easy_transport transport = {.type = 1, .data.file_handle = file};
+  struct blisp_easy_transport transport = {.type = 1, .data.file.file_handle = file, .data.file.file_size = -1};
   return transport;
 }
 
diff --git a/tools/blisp/CMakeLists.txt b/tools/blisp/CMakeLists.txt
index b271dc4..9ec4917 100644
--- a/tools/blisp/CMakeLists.txt
+++ b/tools/blisp/CMakeLists.txt
@@ -2,7 +2,7 @@ set(ARGTABLE3_ENABLE_TESTS OFF CACHE BOOL "Enable unit tests")
 set(ARGTABLE3_ENABLE_EXAMPLES OFF CACHE BOOL "Enable examples")
 #set(ARGTABLE3_REPLACE_GETOPT OFF CACHE BOOL "Replace getopt in the system C library")
 
-add_executable(blisp src/main.c src/cmd/write.c src/util.c src/common.c src/cmd/iot.c)
+add_executable(blisp src/main.c src/cmd/write.c src/util.c src/common.c src/cmd/iot.c src/cmd/run.c)
 
 add_subdirectory(src/file_parsers)
 
diff --git a/tools/blisp/src/cmd.h b/tools/blisp/src/cmd.h
index 6d4dbb0..077d43c 100644
--- a/tools/blisp/src/cmd.h
+++ b/tools/blisp/src/cmd.h
@@ -13,6 +13,7 @@ struct cmd {
 };
 
 extern struct cmd cmd_write;
+extern struct cmd cmd_run;
 extern struct cmd cmd_iot;
 
 #endif  // BLISP_CMD_H
diff --git a/tools/blisp/src/cmd/iot.c b/tools/blisp/src/cmd/iot.c
index 9137765..b88274a 100644
--- a/tools/blisp/src/cmd/iot.c
+++ b/tools/blisp/src/cmd/iot.c
@@ -22,7 +22,7 @@ blisp_return_t blisp_single_download() {
   if (ret != BLISP_OK) {
     return ret;
   }
-  ret = blisp_common_prepare_flash(&device);
+  ret = blisp_common_prepare_flash(&device, true);
   if (ret != BLISP_OK) {
     // TODO: Error handling
     goto exit1;
diff --git a/tools/blisp/src/cmd/run.c b/tools/blisp/src/cmd/run.c
new file mode 100644
index 0000000..c317ef4
--- /dev/null
+++ b/tools/blisp/src/cmd/run.c
@@ -0,0 +1,119 @@
+#include <argtable3.h>
+#include <blisp_easy.h>
+#include "../cmd.h"
+#include "../common.h"
+
+#define REG_EXTENDED 1
+#define REG_ICASE (REG_EXTENDED << 1)
+
+static struct arg_rex* cmd;
+static struct arg_str *port_name, *chip_type;  // TODO: Make this common
+static struct arg_lit* reset;
+static struct arg_end* end;
+static struct arg_file* binary_to_run;
+static void* cmd_run_argtable[6];
+
+
+blisp_return_t cmd_run_args_init() {
+  cmd_run_argtable[0] = cmd =
+      arg_rex1(NULL, NULL, "run", NULL, REG_ICASE, NULL);
+  cmd_run_argtable[1] = chip_type =
+      arg_str1("c", "chip", "<chip_type>", "Chip Type");
+  cmd_run_argtable[2] = port_name =
+      arg_str0("p", "port", "<port_name>",
+               "Name/Path to the Serial Port (empty for search)");
+  cmd_run_argtable[3] = reset =
+      arg_lit0(NULL, "reset", "Reset chip after write");
+  cmd_run_argtable[4] = binary_to_run =
+      arg_file1(NULL, NULL, "<input>", "Binary to run");
+  cmd_run_argtable[5] = end = arg_end(10);
+
+  if (arg_nullcheck(cmd_run_argtable) != 0) {
+    fprintf(stderr, "insufficient memory\n");
+    return BLISP_ERR_OUT_OF_MEMORY;
+  }
+  return BLISP_OK;
+}
+
+void cmd_run_args_print_glossary() {
+  fputs("Usage: blisp", stdout);
+  arg_print_syntax(stdout, cmd_run_argtable, "\n");
+  puts("Flashes firmware to RAM and then executes it.");
+  arg_print_glossary(stdout, cmd_run_argtable, "  %-25s %s\n");
+}
+
+blisp_return_t blisp_run_firmware() {
+  struct blisp_device device;
+  blisp_return_t ret;
+
+  ret = blisp_common_init_device(&device, port_name, chip_type);
+  if (ret != BLISP_OK) {
+    return ret;
+  }
+
+  FILE* data_file = fopen(binary_to_run->filename[0], "rb");
+  if (data_file == NULL) {
+    fprintf(stderr, "Failed to open data file \"%s\".\n",
+            binary_to_run->filename[0]);
+    ret = BLISP_ERR_CANT_OPEN_FILE;
+    goto exit1;
+  }
+
+  if (blisp_common_prepare_flash(&device, false) != 0) {
+    // TODO: Error handling
+    goto exit1;
+  }
+
+  struct blisp_easy_transport firmware_transport =
+      blisp_easy_transport_new_from_file(data_file);
+
+  ret = blisp_easy_load_ram_app(&device, &firmware_transport,
+                                blisp_common_progress_callback);
+  if (ret != BLISP_OK) {
+    fprintf(stderr, "Failed to load firmware, ret: %d\n", ret);
+    goto exit1;
+  }
+
+  ret = blisp_device_check_image(&device);
+  if (ret != 0) {
+    fprintf(stderr, "Failed to check image.\n");
+    goto exit1;
+  }
+
+  ret = blisp_device_run_image(&device);
+  if (ret != BLISP_OK) {
+    fprintf(stderr, "Failed to run image.\n");
+    goto exit1;
+  }
+
+exit2:
+  if (data_file != NULL)
+    fclose(data_file);
+exit1:
+  blisp_device_close(&device);
+  return ret;
+}
+
+blisp_return_t cmd_run_parse_exec(int argc, char** argv) {
+  int errors = arg_parse(argc, argv, cmd_run_argtable);
+  if (errors == 0) {
+    blisp_run_firmware();
+    return BLISP_OK;
+  } else if (cmd->count == 1) {
+    cmd_run_args_print_glossary();
+    return BLISP_OK;
+  }
+  return BLISP_ERR_INVALID_COMMAND;
+}
+
+void cmd_run_args_print_syntax() {
+  arg_print_syntax(stdout, cmd_run_argtable, "\n");
+}
+
+void cmd_run_free() {
+  arg_freetable(cmd_run_argtable,
+                sizeof(cmd_run_argtable) / sizeof(cmd_run_argtable[0]));
+}
+
+struct cmd cmd_run = {"run", cmd_run_args_init, cmd_run_parse_exec,
+                      cmd_run_args_print_syntax, cmd_run_free};
diff --git a/tools/blisp/src/cmd/write.c b/tools/blisp/src/cmd/write.c
index ef9d446..6c5801f 100644
--- a/tools/blisp/src/cmd/write.c
+++ b/tools/blisp/src/cmd/write.c
@@ -174,7 +174,7 @@ blisp_return_t blisp_flash_firmware() {
     return ret;
   }
 
-  if (blisp_common_prepare_flash(&device) != 0) {
+  if (blisp_common_prepare_flash(&device, true) != 0) {
     // TODO: Error handling
     goto exit1;
   }
diff --git a/tools/blisp/src/common.c b/tools/blisp/src/common.c
index b486daa..b7d50ec 100644
--- a/tools/blisp/src/common.c
+++ b/tools/blisp/src/common.c
@@ -58,7 +58,8 @@ blisp_return_t blisp_common_init_device(struct blisp_device* device,
  * Prepares chip to access flash
  * this means performing handshake, and loading eflash_loader if needed.
  */
-blisp_return_t blisp_common_prepare_flash(struct blisp_device* device) {
+blisp_return_t blisp_common_prepare_flash(struct blisp_device* device,
+                                          bool goto_eflash_loader) {
   blisp_return_t ret = 0;
 
   printf("Sending a handshake...\n");
@@ -84,7 +85,7 @@ blisp_return_t blisp_common_prepare_flash(struct blisp_device* device) {
       boot_info.chip_id[3], boot_info.chip_id[4], boot_info.chip_id[5],
       boot_info.chip_id[6], boot_info.chip_id[7]);
 
-  if (device->chip->load_eflash_loader == NULL) {
+  if (device->chip->load_eflash_loader == NULL || !goto_eflash_loader) {
     return BLISP_OK;
   }
 
diff --git a/tools/blisp/src/common.h b/tools/blisp/src/common.h
index e6519e7..1c63375 100644
--- a/tools/blisp/src/common.h
+++ b/tools/blisp/src/common.h
@@ -6,7 +6,8 @@
 #include <blisp.h>
 #include <argtable3.h>
 
-int32_t blisp_common_prepare_flash(struct blisp_device* device);
+blisp_return_t blisp_common_prepare_flash(struct blisp_device* device,
+                                          bool goto_eflash_loader);
 void blisp_common_progress_callback(uint32_t current_value, uint32_t max_value);
 int32_t blisp_common_init_device(struct blisp_device* device, struct arg_str* port_name, struct arg_str* chip_type);
 
diff --git a/tools/blisp/src/main.c b/tools/blisp/src/main.c
index 5861994..7520858 100644
--- a/tools/blisp/src/main.c
+++ b/tools/blisp/src/main.c
@@ -5,7 +5,7 @@
 #include "argtable3.h"
 #include "cmd.h"
 
-struct cmd* cmds[] = {&cmd_write, &cmd_iot};
+struct cmd* cmds[] = {&cmd_write, &cmd_run, &cmd_iot};
 
 static uint8_t cmds_count = sizeof(cmds) / sizeof(cmds[0]);