Useful Linux Commands
Find files older than 60 days
find * -mtime +60
Delete files in backup folder which are older than 60 days
rm -f `find /backup/ -mtime +60`
Search for a string inside files
grep -H -r “search me” /var/www
Listing files in a directory
ls -lh
Zip up an entire directory
zip -r zipefilename foldername
Count total number of files in a directory
ls -1 | wc -l
find . -type f | wc -l
Get directory size
du -hs /var/www
Get Linux version details
uname -a
cat /proc/version
