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Fernando Mercês

Backup de arquivos no Linux

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Com ajuda da expansão do shell, é possível criar rapidamente cópias de arquivo, por exemplo:

$ cp arquivo.conf{,.old}
$ cp arquivo.conf{,.`date +%Y%m%d`}

O primeiro comando cria uma cópia de um arquivo adicionando a extensão .old. Já o segundo, com um sufixo de data da cópia.

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