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→find files by their size
‘M’ for Megabytes (units of 1048576 bytes)
‘M’ for Megabytes (units of 1048576 bytes)
‘G’ for Gigabytes (units of 1073741824 bytes)
‘G’ for Gigabytes (units of 1073741824 bytes)
===how many data the server is storing by users
You can adapt that command line to your needs, here we find and sort all emails stored by your users
du -s /home/e-smith/files/users/*/Maildir | sort -rn | cut -f2- | xargs -d "\n" du -sh
====Replace a chain of characters====
====Replace a chain of characters====
Replace a chain of characters chaine1 by chaine2 in all files of the current directory with '.txt'
Replace a chain of characters chaine1 by chaine2 in all files of the current directory with '.txt'