command_sort sort [-bcdfimMnr] [-o<输出文件>] [-t<分隔字符>] [+<起始栏位>-<结束栏位>] [-k field1[,field2]] 对第二列重排: `sort testfile -k 2` Was this page helpful? Thanks! You can leave some advices in the comment section below. Thanks! You can leave some advices in the comment section below. Comments