cympfh/xterm-256colors.sh

## xterm-256colors.sh
#!/bin/bash

for i in $(seq 0 15); do
    for j in $(seq 0 15); do
        C=$(( i * 16 + j ))
        printf "\e[48;5;${C}m %03x " "${C}"
    done
    printf "\e[0m\n"  # reset & newline
done
	#!/bin/bash

	for i in $(seq 0 15); do
	for j in $(seq 0 15); do
	C=$(( i * 16 + j ))
	printf "\e[48;5;${C}m %03x " "${C}"
	done
	printf "\e[0m\n" # reset & newline
	done