[root@localhost 4]# echo "123" >test.zip 生成sha256文件校验文件 [root@localhost 4]# sha256sum test.zip >test.zip.sha256sum 使用sha256sum校验文件一致性 [root@localhost 4]# sha256sum -c <(grep test.zip test.zip.sha256sum) test.zip: OK //表示两文件一致 [root@localhost 4]# echo "345" >>test.zip [root@localhost 4]# sha256sum -c <(grep test.zip test.zip.sha256sum) test.zip: FAILED sha256sum: WARNING: 1 of 1 computed checksum did NOT match //文件不一致