cat [OPTION] [FILE]...
Concatenate FILE(s), or standard input, to standard out-put.
linux3[230]% ls
HelloWorld.c
linux3[231]% cat HelloWorld.c
/*
* This program prints the message "Hello World!"
* on the screen. The program is taken from the classic
* C reference text "The C Programming Language" by
* Brian Kernighan & Dennis Ritchie.
*/
#include <stdio.h>
int main () {
printf("Hello World!\n");
return 0;
}
linux3[232]%
|
linux3[253]% ls colors1 colors2 linux3[254]% cat colors1 red rojo green verde blue azul linux3[255]% cat colors2 white blanco black negro linux3[256]% cat colors1 colors2 red rojo green verde blue azul white blanco black negro linux3[257]% |
Prepends all lines with its line number.
linux3[264]% cat -n HelloWorld.c
1 /*
2 * This program prints the message "Hello World!"
3 * on the screen. The program is taken from the classic
4 * C reference text "The C Programming Language" by
5 * Brian Kernighan & Dennis Ritchie.
6 */
7
8 #include <stdio.h>
9
10 int main () {
11
12 printf("Hello World!\n");
13
14 return 0;
15 }
linux3[265]% man cat
|