diff --git a/contrib/kolibri-libc/samples/Makefile b/contrib/kolibri-libc/samples/Makefile
index d2604df9a1..045f029d7d 100644
--- a/contrib/kolibri-libc/samples/Makefile
+++ b/contrib/kolibri-libc/samples/Makefile
@@ -1,18 +1,22 @@
 KGCC = ../linuxtools/kgcc
 KLD = ../linuxtools/kld
 KPACK = kpack
-KTCC=../../../programs/develop/ktcc/trunk/bin/kos32-tcc
-KTCC_FLAGS = -nostdlib -I$(KLIBC)/source/include -L$(KLIBC)/lib $(KLIBC)/lib/crt0.o
+KTCC=../../../programs/develop/ktcc/trunk/bin/kos32-tcc 
+KTCC_FLAGS = -nostdlib -stack=1048576 -I$(KLIBC)/source/include -L$(KLIBC)/lib $(KLIBC)/lib/crt0.o 
+
+ifndef NAME
+NAME = basic_gui
+endif
 
 static_kgcc:
-	$(KGCC) basic_gui.c
-	$(KLD) basic_gui.o -o basic_gui -lc 
-	$(KPACK) basic_gui
+	$(KGCC) $(NAME).c
+	$(KLD) $(NAME).o -o $(NAME) -lc
+	$(KPACK) $(NAME)
 
 static_tcc:
-	$(KTCC) $(KTCC_FLAGS) basic_gui.c -o basic_gui -lc
-	$(KPACK) basic_gui
+	$(KTCC) $(KTCC_FLAGS) $(NAME).c -o $(NAME) -lc
+	$(KPACK) $(NAME)
 
 dynamic_tcc:
-	$(KTCC) $(KTCC_FLAGS) -D_DYNAMIC basic_gui.c -o basic_gui_dyn -lc.obj
-	$(KPACK) basic_gui_dyn
+	$(KTCC) $(KTCC_FLAGS) -D_DYNAMIC $(NAME).c -o $(NAME)_dyn  -lc.obj
+	$(KPACK) $(NAME)_dyn
diff --git a/contrib/kolibri-libc/samples/shell_io.c b/contrib/kolibri-libc/samples/shell_io.c
new file mode 100644
index 0000000000..f19295772b
--- /dev/null
+++ b/contrib/kolibri-libc/samples/shell_io.c
@@ -0,0 +1,19 @@
+#include <shell_api.h>
+#include <ksys.h>
+#include <stdio.h>
+
+int main()
+{   
+    char string[256];
+    shell_cls();
+    shell_puts("This is a test console application for Shell\n\r");
+    shell_puts("Type a string (255 symbols max): ");
+    shell_gets(string);
+    shell_puts("You typed:\n\r");
+    shell_puts(string);
+    shell_puts("Press any key: ");
+    string[0] = shell_getc();
+    shell_puts("\n\rYou pressed: ");
+    shell_putc(string[0]);
+    shell_exit();
+} 
diff --git a/contrib/kolibri-libc/source/Makefile b/contrib/kolibri-libc/source/Makefile
index d9537dd869..cb910d62db 100644
--- a/contrib/kolibri-libc/source/Makefile
+++ b/contrib/kolibri-libc/source/Makefile
@@ -9,7 +9,7 @@ LIBC.A = $(LIB_DIR)/libc.a
 LIBC.OBJ = $(LIB_DIR)/libc.obj
 
 CFLAGS = -I$(INCLUDE) -m32 -nostdinc -nostdlib -DGNUC -Os -fno-common -fno-builtin -fno-leading-underscore -fno-pie
-DIRS :=  string stdlib stdio sys math ctype exports setjmp
+DIRS :=  string stdlib stdio sys math ctype exports setjmp shell_api
 
 cfiles := $(foreach dir,$(DIRS),$(patsubst %.c, %.o, $(wildcard $(dir)/*.c)))
 asmfiles := $(foreach dir,$(DIRS),$(patsubst %.s, %.o, $(wildcard $(dir)/*.s)))
@@ -47,7 +47,7 @@ clean:
 
 shared: $(cfiles) $(asmfiles)
 	$(CLINK) $^
-	$(KPACK) a.out.obj
+	#$(KPACK) a.out.obj
 	mv a.out.obj $(LIBC.OBJ)
 
 test:
diff --git a/contrib/kolibri-libc/source/include/ksys.h b/contrib/kolibri-libc/source/include/ksys.h
index 1a5902503e..88149bce2d 100644
--- a/contrib/kolibri-libc/source/include/ksys.h
+++ b/contrib/kolibri-libc/source/include/ksys.h
@@ -189,15 +189,19 @@ enum KSYS_MOUSE_POS{
     KSYS_MOUSE_WINDOW_POS = 1
 };
 
+enum KSYS_SHM_MODE{
+    KSYS_SHM_OPEN = 0x00,
+    KSYS_SHM_OPEN_ALWAYS = 0x04,
+    KSYS_SHM_CREATE = 0x08,
+    KSYS_SHM_READ = 0x00,
+    KSYS_SHM_WRITE = 0x01,
+};
+
 static inline 
 int _ksys_strcmp(const char * s1, const char * s2 )
 {
-    while ((*s1) && (*s1 == *s2)){
-        ++s1;
-        ++s2;
-    }
-
-    return ( *( unsigned char * )s1 - * ( unsigned char * )s2 );
+    while ((*s1) && (*s1 == *s2)){ ++s1; ++s2; }
+    return(*(unsigned char*)s1 - *(unsigned char *)s2);
 }
 
 // Functions for working with the graphical interface
@@ -360,6 +364,7 @@ ksys_pos_t _ksys_get_mouse_pos(int origin)
         "rol $16, %%eax"
         :"=a"(val)
         :"a"(37),"b"(origin)
+        :"memory"
     );
     return val;
 }
@@ -918,7 +923,8 @@ int not_optimized _ksys_file_rename(const char *name, const char *new_name)
 
 
 static inline
-int not_optimized _ksys_exec(char *app_name, char *args){
+int not_optimized _ksys_exec(char *app_name, char *args)
+{
     ksys70_t file_op;
     file_op.p00 = 7;
     file_op.p04dw = 0;
@@ -933,4 +939,28 @@ int not_optimized _ksys_exec(char *app_name, char *args){
     return val;
 }
 
+/* Working with a named shared memory area. */
+
+static inline
+int _ksys_shm_open(char *name, int mode, int size, char **new_shm)
+{
+    int error;
+    asm_inline(
+        "int $0x40"
+        :"=a"(*new_shm), "=d"(error)
+        :"a"(68), "b"(22), "c"(name), "d"(size), "S"(mode)
+    );
+    return error;
+}
+
+ 
+static inline
+void _ksys_shm_close(char *shm_name)
+{
+    asm_inline(
+        "int $0x40":
+        :"a"(68), "b"(23), "c"(shm_name)
+    );
+}
+
 #endif // _KSYS_H_
\ No newline at end of file
diff --git a/contrib/kolibri-libc/source/include/shell_api.h b/contrib/kolibri-libc/source/include/shell_api.h
new file mode 100644
index 0000000000..9e46f58a2b
--- /dev/null
+++ b/contrib/kolibri-libc/source/include/shell_api.h
@@ -0,0 +1,13 @@
+#ifndef _SHELL_API_H_
+#define _SHELL_API_H_
+
+#include <stddef.h>
+
+extern void _FUNC(shell_puts)(const char *s);
+extern void _FUNC(shell_putc)(char c);
+extern char _FUNC(shell_getc)();
+extern void _FUNC(shell_gets)(char *str);
+extern void _FUNC(shell_cls)();
+extern void _FUNC(shell_exit)();
+
+#endif
\ No newline at end of file
diff --git a/contrib/kolibri-libc/source/include/stdlib.h b/contrib/kolibri-libc/source/include/stdlib.h
index e51039c1ff..d59a1d0f9a 100644
--- a/contrib/kolibri-libc/source/include/stdlib.h
+++ b/contrib/kolibri-libc/source/include/stdlib.h
@@ -14,7 +14,7 @@
 extern int  _FUNC(atoi)(const char *s);
 extern long _FUNC(atol)(const char *);
 extern long long _FUNC(atoll)(const char *);
-//char* itoa)(int n, char* s);
+extern void _FUNC(itoa)(int n, char* s);
 
 extern int _FUNC(abs)(int);
 extern long _FUNC(labs)(long);
diff --git a/contrib/kolibri-libc/source/shell_api/shell.h b/contrib/kolibri-libc/source/shell_api/shell.h
new file mode 100644
index 0000000000..9e2fd0e456
--- /dev/null
+++ b/contrib/kolibri-libc/source/shell_api/shell.h
@@ -0,0 +1,21 @@
+
+#include <ksys.h>
+
+#define SHELL_OK		0
+#define SHELL_EXIT		1
+#define SHELL_PUTC		2
+#define SHELL_PUTS		3
+#define SHELL_GETC		4
+#define SHELL_GETS		5
+#define SHELL_CLS		6
+
+extern char __shell_shm_name[32]; 
+extern char *__shell_shm;
+extern int __shell_is_init;
+extern int __shell_init();
+extern void __shell_wait();
+
+#define SHELL_WAIT() while (*__shell_shm) _ksys_delay(5)
+
+
+
diff --git a/contrib/kolibri-libc/source/shell_api/shell_cls.c b/contrib/kolibri-libc/source/shell_api/shell_cls.c
new file mode 100644
index 0000000000..c41a137822
--- /dev/null
+++ b/contrib/kolibri-libc/source/shell_api/shell_cls.c
@@ -0,0 +1,8 @@
+#include "shell.h"
+
+void shell_cls()
+{
+    __shell_init();
+    *__shell_shm = SHELL_CLS;
+    SHELL_WAIT();
+}
\ No newline at end of file
diff --git a/contrib/kolibri-libc/source/shell_api/shell_exit.c b/contrib/kolibri-libc/source/shell_api/shell_exit.c
new file mode 100644
index 0000000000..d579798a66
--- /dev/null
+++ b/contrib/kolibri-libc/source/shell_api/shell_exit.c
@@ -0,0 +1,11 @@
+#include "shell.h"
+#include "ksys.h"
+
+void shell_exit()
+{
+    if(__shell_is_init){
+        *__shell_shm = SHELL_EXIT;
+        SHELL_WAIT();
+        _ksys_shm_close(__shell_shm_name);
+    }
+}
\ No newline at end of file
diff --git a/contrib/kolibri-libc/source/shell_api/shell_getc.c b/contrib/kolibri-libc/source/shell_api/shell_getc.c
new file mode 100644
index 0000000000..0eaf63ca54
--- /dev/null
+++ b/contrib/kolibri-libc/source/shell_api/shell_getc.c
@@ -0,0 +1,9 @@
+#include "shell.h"
+
+char shell_getc()
+{
+    __shell_init();
+    *__shell_shm = SHELL_GETC;
+    SHELL_WAIT();
+    return *(__shell_shm+1);
+}
\ No newline at end of file
diff --git a/contrib/kolibri-libc/source/shell_api/shell_gets.c b/contrib/kolibri-libc/source/shell_api/shell_gets.c
new file mode 100644
index 0000000000..40b55dba95
--- /dev/null
+++ b/contrib/kolibri-libc/source/shell_api/shell_gets.c
@@ -0,0 +1,9 @@
+#include "shell.h"
+
+void shell_gets(char *str)
+{
+    __shell_init();
+    *__shell_shm = SHELL_GETS;
+    SHELL_WAIT();
+    strcpy(str, __shell_shm+1);
+}
\ No newline at end of file
diff --git a/contrib/kolibri-libc/source/shell_api/shell_init.c b/contrib/kolibri-libc/source/shell_api/shell_init.c
new file mode 100644
index 0000000000..c0e5b8d0d2
--- /dev/null
+++ b/contrib/kolibri-libc/source/shell_api/shell_init.c
@@ -0,0 +1,37 @@
+#include <ksys.h>
+#include <string.h>
+#include <stdlib.h>
+
+char __shell_shm_name[32]; 
+char*__shell_shm=NULL;
+int __shell_is_init=0;
+
+int __shell_shm_init()
+{
+    __shell_is_init=1;
+    ksys_proc_table_t *proc_info = (ksys_proc_table_t*)malloc(sizeof(ksys_proc_table_t));
+    if(proc_info == NULL){
+        return -1;
+    }
+    unsigned PID;
+
+    _ksys_process_info(proc_info, -1); 
+    PID = proc_info->pid;
+    free(proc_info);
+
+    itoa(PID, __shell_shm_name);
+    strcat(__shell_shm_name, "-SHELL");
+    return _ksys_shm_open(__shell_shm_name,  KSYS_SHM_OPEN_ALWAYS | KSYS_SHM_WRITE, 1024*16, &__shell_shm);
+}
+
+int __shell_init()
+{
+    if(__shell_is_init){
+        return 0;
+    }
+    if(__shell_shm_init()){
+        debug_printf("Shell problems detected!\n");
+        return -1;
+    }
+    return 0;
+}
\ No newline at end of file
diff --git a/contrib/kolibri-libc/source/shell_api/shell_putc.c b/contrib/kolibri-libc/source/shell_api/shell_putc.c
new file mode 100644
index 0000000000..9ecc2b1e98
--- /dev/null
+++ b/contrib/kolibri-libc/source/shell_api/shell_putc.c
@@ -0,0 +1,9 @@
+#include "shell.h"
+
+void shell_putc(char c)
+{
+    __shell_init();
+    *__shell_shm = SHELL_PUTC;
+    *(__shell_shm+1) = c;
+    SHELL_WAIT();
+}
\ No newline at end of file
diff --git a/contrib/kolibri-libc/source/shell_api/shell_puts.c b/contrib/kolibri-libc/source/shell_api/shell_puts.c
new file mode 100644
index 0000000000..a578a6088a
--- /dev/null
+++ b/contrib/kolibri-libc/source/shell_api/shell_puts.c
@@ -0,0 +1,10 @@
+#include "shell.h"
+#include "string.h"
+
+void shell_puts(const char *str)
+{
+    __shell_init();
+    *__shell_shm = SHELL_PUTS;
+    strcpy(__shell_shm+1, str);
+    SHELL_WAIT();
+}
\ No newline at end of file
diff --git a/contrib/kolibri-libc/source/stdlib/itoa.c b/contrib/kolibri-libc/source/stdlib/itoa.c
index 711ee31552..27ede3a726 100644
--- a/contrib/kolibri-libc/source/stdlib/itoa.c
+++ b/contrib/kolibri-libc/source/stdlib/itoa.c
@@ -1,20 +1,42 @@
 #include <string.h>
-/*
-char* itoa(int n, char* s)
+#include <ksys.h>
+
+char *__reverse(char *str)
 {
-  int sign;
-  char *ptr;
-  ptr = s;
- 
-  if(n == (int)0x80000000)
-    return strcpy(s, "-2147483648");  // overflowed -n
- 
-  if ((sign = n) < 0) n = -n;
-  do {
-    *ptr++ = n % 10 + '0';
-    } while ((n = n / 10) > 0);
-  if (sign < 0) *ptr++ = '-';
-  *ptr = '\0';
-  return strrev(s);
+  char tmp, *src, *dst;
+  size_t len;
+  if (str != NULL){
+      len = strlen (str);
+      if (len > 1) {
+          src = str;
+          dst = src + len - 1;
+          while (src < dst) {
+              tmp = *src;
+              *src++ = *dst;
+              *dst-- = tmp;
+          }
+      }
+  }
+  return str;
 }
-*/
\ No newline at end of file
+
+/* itoa from K&R */
+void itoa(int n, char s[])
+{
+    int i, sign;
+
+    if ((sign = n) < 0)        /* record sign */
+        n = -n;                /* make n positive */
+    i = 0;
+
+    do {                       /* generate digits in reverse order */
+        s[i++] = n % 10 + '0'; /* get next digit */
+    } while ((n /= 10) > 0);   /* delete it */
+
+    if (sign < 0)
+        s[i++] = '-';
+
+    __reverse(s);
+    s[i] = '\0';
+    return;
+}
\ No newline at end of file