$ls ascii-table.c avg-with-garbage.txt env-var-set.c functions_ver2.c output.c ascii-table.md case-changer.c exist.sh mph-to-kph.c avg.txt env-var.c functions_ver1.c mph-to-kph_v2.c $cat ascii-table.c #include <stdio.h> int main(void) { char c; for (c = 65; c<=90; c++) { printf("%c = %d ", c, c); /* upper case */ printf("%c = %d\n", c+32, c+32); /* lower case */ } return 0; } $gcc ascii-table.c -o ascii-table $./ascii-table A = 65 a = 97 B = 66 b = 98 C = 67 c = 99 D = 68 d = 100 E = 69 e = 101 F = 70 f = 102 G = 71 g = 103 H = 72 h = 104 I = 73 i = 105 J = 74 j = 106 K = 75 k = 107 L = 76 l = 108 M = 77 m = 109 N = 78 n = 110 O = 79 o = 111 P = 80 p = 112 Q = 81 q = 113 R = 82 r = 114 S = 83 s = 115 T = 84 t = 116 U = 85 u = 117 V = 86 v = 118 W = 87 w = 119 X = 88 x = 120 Y = 89 y = 121 Z = 90 z = 122 $