去除重复sort file |uniq 查找非重复 sort file | uniq -u 查找重复 sort file | uniq -d 统计 sort file | uniq -c 相关文章： 2021-04-10 2021-11-30 2021-10-12 2021-08-29 2022-12-23 2022-12-23 2021-09-18 2021-08-09