How to delete files older then x-days on Linux

Delete Files Older then x Days on Linux - easy way
in terminal / command line
using "find" command

Code:

find *.txt -mtime +30 | xargs rm

• "find" executing program
• "*.txt" file
• "-mtime +30" files older then 30 days
• " | " pipe
• "xargs" executing program
• "rm" executing command