删除10天前的文件

Linux

find /home/my_folder -type f -mtime +10 | xargs rm -rf
or
find /home/my_folder -type f -mtime +10 -exec rm {} \;
or
find /home/my_folder -type f -mtime +10 -delete

Windows

ForFiles /p "C:\path\to\folder"/s /d -10 /c "cmd /c del /q @file"