Statement writing: find the corresponding directory -mtime + days -name "file name" -exec rm -rf {} \;
Example 1: Delete all files with "." 10 days ago in the /usr/local/backups directory
find /usr/local/backups -mtime +10 -name "*.*" -exec rm -rf {} \;
find: Linux search command, the user finds files with specified conditions
/usr/local/backups: any directory you want to clean up
-mtime : Standard statement writing
+1 0: Find files 10 days ago, where numbers represent the number of days, +30 means to find files 30 days ago
"*.*": The type of data you want to find, "*.jpg" means to find all files with the extension jpg, "*" means to find all files, this can be used flexibly
-exec: fixed spelling
rm -rf: Force deletion of files, including directories
{} \; : Fixed writing, a pair of braces + space + \