822(1): デフォルトの名無しさん [sage] 2023/02/24(金) 23:18:05.18 ID:/JDec9CR(14/14) AAS
>>819
どこにも同じ動きとは書いていない

外部ﾘﾝｸ[html]:pubs.opengroup.org

-b list
Cut based on a list of bytes. Each selected byte shall be output unless the -n option is also specified.
It shall not be an error to select bytes not present in the input line.

-c list
Cut based on a list of characters. Each selected character shall be output.
It shall not be an error to select characters not present in the input line.