grep "FC0100011" --color -C 20 svrs.log | tail -n 10
grep "client_post_cmd" -C 5 svrs.log | grep "000019547226151228111623956" -C 5 -n
grep "client_post_cmd" -C 5 svrs.log | grep "000019547226151228111623956" -C 5 -n
查看从37413328行开始往下100行
cat -n svrs.log | tail -n +37413328 | head -n 100
查看log日志文件某个字符串最后出现的地方
grep "快递员登录异常:" --color -C 20 svrs.log | tail -81