diff --git a/programs/develop/backy/Backy-lib.h b/programs/develop/backy/Backy-lib.h
new file mode 100644
index 000000000..9e8aee86d
--- /dev/null
+++ b/programs/develop/backy/Backy-lib.h
@@ -0,0 +1,63 @@
+
+#ifndef __jxl_Date_get_h__
+#define __jxl_Date_get_h__
+
+typedef  unsigned int        uint32_t;
+typedef  unsigned char       uint8_t;
+typedef  unsigned short int  uint16_t;
+typedef  unsigned long long  uint64_t;
+typedef  char                int8_t;
+typedef  short int           int16_t;
+typedef  int                 int32_t;
+typedef  long long           int64_t;
+
+static inline uint32_t getDate(void)
+{
+    uint32_t date;
+    __asm__ __volatile__("int $0x40":"=a"(date):"a"(29));
+    return date;
+}
+
+
+
+static inline uint32_t getTime(void)
+{
+    uint32_t time;
+    __asm__ __volatile__("int $0x40":"=a"(time):"a"(3));
+    return time;
+}
+
+
+
+static inline void *openFile(uint32_t *length, const uint8_t *path)
+{
+    uint8_t *fd;
+
+    __asm__ __volatile__ ("int $0x40":"=a"(fd), "=d"(*length):"a" (68), "b"(27),"c"(path));
+
+    return fd;
+}
+
+
+
+static inline int32_t saveFile(uint32_t nbytes, uint8_t *data, uint32_t enc, uint8_t  *path)
+{
+    int32_t val;
+
+    uint8_t dt[28];  // basic information structure.
+
+    (uint32_t)  dt[0]  = 2;       // subfunction number.
+    (uint32_t)  dt[4]  = 0;       // reserved.
+    (uint32_t)  dt[8]  = 0;       // reserved.
+    (uint32_t)  dt[12] = nbytes;  // number of bytes to write.
+    (uint8_t *) dt[16] = data;    // pointer to data.
+    (uint32_t)  dt[20] = enc;     // string encoding (0 = default, 1 = cp866, 2 = UTF-16LE, 3 = UTF-8).
+    (uint8_t *) dt[24] = path;    // pointer to path.
+
+    __asm__ __volatile__("int $0x40":"=a"(val):"a"(80), "b"(&dt));
+
+    return val;
+}
+
+
+#endif
diff --git a/programs/develop/backy/Backy.c b/programs/develop/backy/Backy.c
new file mode 100644
index 000000000..0e862bb31
--- /dev/null
+++ b/programs/develop/backy/Backy.c
@@ -0,0 +1,352 @@
+
+/*
+  Author: JohnXenox.
+  Description: The program for backing up a file.
+
+               Works from command line, only!
+*/
+
+#define CREATION_DATE "2020.05.07"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "Backy-lib.h"
+
+int date = 0;
+int time = 0;
+
+char years = 0;
+char months = 0;
+char days = 0;
+
+char hours = 0;
+char minutes = 0;
+char seconds = 0;
+
+char *data = 0;
+int length = 0;
+
+char path_in[4096] = {0};
+char path_out[4096] = {0};
+
+char num[3] = {0};
+
+char full_date[25] = {0};
+char ext[] = ".bak";
+
+char flag = 0;
+
+
+
+int main(int argc, char** argv)
+{
+
+// ============================================================ //
+// preprocessing arguments from the command line. ============= //
+//
+// 0 argument - name of the programme.
+// 1 argument - path to the file with name that need to be backup.
+// 2 argument - the key (-o).
+// 3 argument - path to the output directory without the name of the file.
+
+// printf("Number of args: %d\n", argc);
+// printf("Argv 0: %s\n", argv[0]);
+// sprintf("Argv 1: %s\n\n", argv[1]);
+
+
+// ============================================================ //
+// preprocess the command line arguments. ===================== //
+
+    if (argc > 1)
+    {
+        for (int i = 1; i < argc; i++)
+        {
+            // if found the key "-o", then copy output path into the array "path_out".
+            if (*argv[i] == '-') // && (*(argv[i] + 1) == 'o'))
+            {
+                // printf("Key -o is found!\n");
+
+                i++;
+
+                flag = 1;
+
+                if (i <= argc)
+                {
+                    // copying of a current path into the array "path_out".
+                    strcpy(path_out, argv[i]);
+
+                    // printf("Path output is copyed!\n");
+
+                    i++;
+
+                    break;
+                }
+            }
+
+            // if inut path is found, then copy it into the array "path_in".
+            if (*argv[i] == '/')
+            {
+                flag = 2;
+
+                // copying of a current path into the buffer.
+                strcpy(path_in, argv[i]);
+
+                if (flag != 1)
+                {
+                    int idx = strlen(path_in);
+                    while (path_in[idx]  !=  '/')
+                    {
+                        idx--;
+                    }
+
+                    strncpy(path_out, path_in, idx);
+                }
+
+                // printf("Path input is copyed!\n");
+            }
+
+            // if found characters.
+            if ( (*argv[i] > '0') && (*argv[i] < '9') || \
+                 (*argv[i] > 'A') && (*argv[i] < 'Z') || \
+                 (*argv[i] > 'a') && (*argv[i] < 'z') )
+            {
+                 flag = 3;
+
+                 strcpy(path_in, argv[0]);
+                 // printf("Arg 0 is copyed!\n");
+
+                 int idx = strlen(path_in);
+
+                 while (path_in[idx]  !=  '/')
+                 {
+                     path_in[idx]  =  0;
+                     idx--;
+                 }
+
+                 idx++;
+                 strcpy(path_out, path_in);
+                 strcpy(&path_in[idx], argv[1]);
+                 // printf("Arg 1 is added!\n");
+
+            }
+        }
+
+        // if not found the flag, then copy path from "path_in" into "path_out".
+        if ((flag == 0) && (flag != 2)  && (flag != 3))
+        {
+            // copying the input path into the output path,
+            strcpy(path_out, path_in);
+            //printf("Path input is copyed into the path output!\n");
+        }
+    }
+    else
+    {
+        //con_init_console_dll_param(-1, 23, -1, 23, "Backy");
+
+        printf("\n Name: Backy");
+        printf("\n Date: %s", CREATION_DATE);
+        printf("\n Description: The programme for backing up a file.\n");
+        printf("\n Author: JohnXenox\n");
+
+        printf("\n Usage: backy <path1> <-o path2>\n");
+        printf("  path1 - path to a file to be backuped.\n");
+        printf("  -o path2 - path to the output directory without the name of a file.\n\n");
+
+        printf(" Examples:\n");
+        printf("  backy test.c\n");
+        printf("  backy test.c -o /tmp0/1/\n");
+        printf("  backy /hd0/1/test.c\n");
+        printf("  backy /hd0/1/test.c -o /tmp0/1/\n");
+
+        exit(0);
+        return 1;
+    }
+
+    //printf("Path_in: %s\n", path_in);
+    //printf("Path_out: %s\n", path_out);
+
+
+// ============================================================ //
+// getting the time in BCD. =================================== //
+
+    time = getTime();  // time = 0x00SSMMHH.
+
+    hours = (char)time;
+    minutes = (char)(time >> 8);
+    seconds = (char)(time >> 16);
+
+// ============================================================ //
+// getting the date in BCD. =================================== //
+
+    date = getDate();  // date = 0x00DDMMYY.
+
+    years = (char)date;
+    months = (char)(date >> 8);
+    days = (char)(date >> 16);
+
+// ============================================================ //
+// fills the array with the date in ASCII. ==================== //
+
+    char ofs = 0;
+    char *dta = 0;
+
+    for (char i = 0; i < 3; i++)
+    {
+        if (i == 0)
+        {
+            dta = &years;
+            full_date[ofs] = '2';
+            ofs++;
+            full_date[ofs] = '0';
+            ofs++;
+        }
+        if (i == 1)
+        {
+            dta = &months;
+        }
+        if (i == 2)
+        {
+            dta = &days;
+        }
+
+
+        itoab(*dta, num, 16);
+
+        if (num[1] == 0)
+        {
+            full_date[ofs] = '0';
+            ofs++;
+            full_date[ofs] = num[0];
+        }
+        else
+        {
+            full_date[ofs] = num[0];
+            ofs++;
+            full_date[ofs] = num[1];
+        }
+
+        ofs++;
+
+        if (i != 2)
+        {
+            full_date[ofs] = '.';
+            ofs++;
+        }
+    }
+
+    full_date[ofs] = '_';
+    ofs++;
+
+// ============================================================ //
+// fills the array with the time in ASCII. ==================== //
+
+    ofs = 11;
+    dta = 0;
+
+    for (char i = 0; i < 3; i++)
+    {
+        if (i == 0)
+            dta = &hours;
+        if (i == 1)
+            dta = &minutes;
+        if (i == 2)
+            dta = &seconds;
+
+        itoab(*dta, num, 16);
+
+        if (num[1] == 0)
+        {
+            full_date[ofs] = '0';
+            ofs++;
+            full_date[ofs] = num[0];
+        }
+        else
+        {
+            full_date[ofs] = num[0];
+            ofs++;
+            full_date[ofs] = num[1];
+        }
+
+        ofs++;
+
+        if (i < 2)
+        {
+            full_date[ofs] = '.';
+        }
+        //else
+        //{
+        //    full_date[ofs] = '_';
+        //}
+
+        ofs++;
+    }
+
+// ============================================================ //
+// adding the name of the input file to the output path. ====== //
+
+    // searching the end of the path string.
+    int i = 0;
+    int y = 0;
+
+    // searching for zero terminator in the input path.
+    while (path_in[i] != 0)
+    {
+        i++;
+    }
+
+    // searching for slash in the input path.
+    while (path_in[i] != '/')
+    {
+        i--;
+    }
+
+    // searching for zero terminator in the output path.
+    while (path_out[y] != 0)
+    {
+        y++;
+    }
+
+    // searching for slash in the output path.
+    if (path_out[y - 1] == '/')
+    {
+        y--;
+    }
+
+    // copying the input name of the file into the output path,
+    strcpy(&path_out[y], &path_in[i]);
+
+// ============================================================ //
+// adding the extension and full date to the path. ============ //
+
+    i = 0;
+
+    // searching for zero terminator in the output path.
+    while (path_out[i] != 0)
+    {
+        i++;
+    }
+
+    path_out[i] = '_';
+    i++;
+
+    // adding full date.
+    strcpy(&path_out[i], full_date);
+
+    i += strlen(full_date);
+
+    // adding the extension to path.
+    strncpy(&path_out[i], ext, 4);
+
+    //printf("Path_in: %s\n", path_in);
+    //printf("Path_out: %s\n", path_out);
+
+    data = openFile(&length, path_in);
+
+    saveFile(length, data, 0, path_out);
+
+
+    return 0;
+}
+
diff --git a/programs/develop/backy/Backy.png b/programs/develop/backy/Backy.png
new file mode 100644
index 000000000..635353c1b
Binary files /dev/null and b/programs/develop/backy/Backy.png differ
diff --git a/programs/develop/backy/Build.sh b/programs/develop/backy/Build.sh
new file mode 100644
index 000000000..44240a11c
--- /dev/null
+++ b/programs/develop/backy/Build.sh
@@ -0,0 +1,3 @@
+#SHS
+tcc Backy.c -o Backy -lck
+exit
diff --git a/programs/develop/backy/Tupfile.lua b/programs/develop/backy/Tupfile.lua
new file mode 100644
index 000000000..adfb2ed15
--- /dev/null
+++ b/programs/develop/backy/Tupfile.lua
@@ -0,0 +1,6 @@
+if tup.getconfig('NO_GCC') ~= "" then return end
+HELPERDIR = (tup.getconfig("HELPERDIR") == "") and "../.." or tup.getconfig("HELPERDIR")
+tup.include(HELPERDIR .. "/use_gcc.lua")
+tup.include(HELPERDIR .. "/use_menuetlibc.lua")
+compile_gcc{"Backy.c"}
+link_gcc("Backy")
\ No newline at end of file
diff --git a/programs/develop/backy/backy b/programs/develop/backy/backy
new file mode 100644
index 000000000..a9d0b82dd
Binary files /dev/null and b/programs/develop/backy/backy differ