diff --git a/README.md b/README.md
index 9958761..b8be469 100644
--- a/README.md
+++ b/README.md
@@ -11,3 +11,7 @@ OR
 
 ## install
 `install -m755 rbtext /usr/bin`
+
+## runtime configuration
+This is done by setting environment variables
+- `RBTEXT_FULLSCREEN` (default: Enabled) - Clear screen every print (useful for text that will wrap)
\ No newline at end of file
diff --git a/rbtext.c b/rbtext.c
index 09b019a..61751d3 100644
--- a/rbtext.c
+++ b/rbtext.c
@@ -2,87 +2,122 @@
 
 Copyright 2022-2023 0xf8.dev@proton.me
 
-This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+This program is free software: you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later
+version.
 
-This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+This program is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE. See the GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. 
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <https://www.gnu.org/licenses/>.
 
 */
 
 #include <memory.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <time.h>
 #include <unistd.h>
 
-// How many milliseconds the program will wait until the next print ( DEFAULT = 100 )
-#define CONF_SLEEP_TIMEMS   (long)100
-// How many seconds (in addition to millisecond above) the program will wait ( DEFAULT = 0 )
-#define CONF_SLEEP_TIMESEC  (time_t)0
-// How many times a color should be shown before switching to the next ( DEFAULT = 2 )
+// How many milliseconds the program will wait until the next print ( DEFAULT =
+// 100 )
+#define CONF_SLEEP_TIMEMS (long)100
+// How many seconds (in addition to millisecond above) the program will wait (
+// DEFAULT = 0 )
+#define CONF_SLEEP_TIMESEC (time_t)0
+// How many times a color should be shown before switching to the next ( DEFAULT
+// = 2 )
 #define CONF_COLOR_LAG 2
 
+// Don't set to 0
+// Disabled = -1
+// Enabled = 1
+// int FLAG_name = default;
+int FLAG_FULLSCREEN = 1;
 
 // RICERS:
 // To add colors, simply add the color (according to the format below) to COLORS
 // FORMAT: "R;G;B",
 const char *COLORS[] = {
-    "193;71;87",    // RED
-    "193;116;71",   // ORANGE
-    "193;177;71",   // YELLOW
-    "149;193;71",   // GREEN
-    "71;193;161",   // CYAN
-    "71;165;193",   // BLUE
-    "155;71;193",   // PURPLE
-    "193;71;153",   // PINK
+    "193;71;87",  // RED
+    "193;116;71", // ORANGE
+    "193;177;71", // YELLOW
+    "149;193;71", // GREEN
+    "71;193;161", // CYAN
+    "71;165;193", // BLUE
+    "155;71;193", // PURPLE
+    "193;71;153", // PINK
 };
 
 unsigned long COLORS_SIZE = sizeof(COLORS) / sizeof(char *);
 unsigned long long t = 0;
 void genColors(char *s) {
-    char *cstr = (char *)malloc(64 + 1);
+  char *cstr = (char *)malloc(64 + 1);
 
-    for (unsigned long i = 0; i < strlen(s); i++) {
-        unsigned long c = ((t + i) / CONF_COLOR_LAG) % COLORS_SIZE;
-        snprintf(cstr, 64, "\e[38;2;%sm", COLORS[c]);
-        printf("%s%c\e[0m",cstr,s[i]);
-    }
+  for (unsigned long i = 0; i < strlen(s); i++) {
+    unsigned long c = ((t + i) / CONF_COLOR_LAG) % COLORS_SIZE;
+    snprintf(cstr, 64, "\e[38;2;%sm", COLORS[c]);
+    printf("%s%c\e[0m", cstr, s[i]);
+  }
 
-    free(cstr);
+  free(cstr);
+}
+
+void set_flag(int *flag, const char *env) {
+  char *e = getenv(env);
+  if (e != NULL) {
+    int v = atoi(e);
+
+    if (v == 0)
+      return;
+    *flag = v;
+  }
 }
 
 int main(int argc, char **argv) {
-    if (argc < 2) {
-        // [ERROR] No arguments given. USAGE: ... <text>
-        printf("\e[1;31m[ERROR]\e[0m No arguments given.\n\tUSAGE: \e[34m%s \e[33m<text>\e[0m\n",argv[0]);
-        return 1;
-    }
-    
-    uint reqSize = 0;
-    for (int i = 1; i < argc; i++) {
-      reqSize += strlen(argv[i]);
-    }
+  if (argc < 2) {
+    // [ERROR] No arguments given. USAGE: ... <text>
+    printf("\e[1;31m[ERROR]\e[0m No arguments given.\n\tUSAGE: \e[34m%s "
+           "\e[33m<text>\e[0m\n",
+           argv[0]);
+    return 1;
+  }
 
-    char *text = (char *)malloc(reqSize + argc);
+  set_flag(&FLAG_FULLSCREEN, "RBTEXT_FULLSCREEN");
 
-    // Adds all the arguments together with spaces seperating them
-    for (int i = 1, j = 0; i < argc; i++) {
-        for (unsigned int k = 0; k < strlen(argv[i]); k++, j++)
-            text[j] = argv[i][k];
-        
-        text[j] = ' ';
-        j++;
-    }        
+  uint reqSize = 0;
+  for (int i = 1; i < argc; i++) {
+    reqSize += strlen(argv[i]);
+  }
 
-    struct timespec rem, req = {CONF_SLEEP_TIMESEC, CONF_SLEEP_TIMEMS*1000*1000};
-    while (1) {
-        printf("\r\e[2K");
-        genColors(text);
-        fflush(stdout);
-        nanosleep(&req, &rem);
-        t += 1;
-    }
+  char *text = (char *)malloc(reqSize + argc);
 
-    return 0;
+  // Adds all the arguments together with spaces seperating them
+  for (int i = 1, j = 0; i < argc; i++) {
+    for (unsigned int k = 0; k < strlen(argv[i]); k++, j++)
+      text[j] = argv[i][k];
+
+    text[j] = ' ';
+    j++;
+  }
+
+  struct timespec rem,
+      req = {CONF_SLEEP_TIMESEC, CONF_SLEEP_TIMEMS * 1000 * 1000};
+
+  while (1) {
+    if (FLAG_FULLSCREEN == 1)
+      printf("\e[2J\e[f");
+    else
+      printf("\r");
+    genColors(text);
+    fflush(stdout);
+    nanosleep(&req, &rem);
+    t += 1;
+  }
+
+  return 0;
 }