menuconfig DIFFUTILS bool "GNU diffutils " config DIFFUTILS_DIFF bool prompt "diff" depends on DIFFUTILS help diff - compare files line by line config DIFFUTILS_DIFF3 bool prompt "diff3" depends on DIFFUTILS help diff3 - compare three files line by line config DIFFUTILS_SDIFF bool prompt "sdiff" depends on DIFFUTILS help sdiff - side-by-side merge of file differences config DIFFUTILS_CMP bool prompt "cmp" depends on DIFFUTILS help cmp - compare two files byte by byte