O sistema de arquivos Linux

 

This is a quick reference to the Linux file system.

The common file systems used on new Linux installations are:

  • EXT4
  • XFS

Ext4 permite a encolher e expandir volumes, Considerando XFS só permite expandir volumes.

 

Journalling

Ambos ext4 e xfs são journalling sistemas de arquivos, o que significa para escrever / gravar os ficheiros para um disco, the file system will save somewhere else temporarily until the full file has been successfully saved. It makes a log of the status of the write and will complete save operations by checking the log. This approach cuts down on corrupted files.

 

Excluindo e edição de arquivos

Linux permite excluir e editar arquivos abertos. This is done by still linking the files to the OS even if it deleted. You can also move files whilst being partially downloaded or delete programs that are currently running without crashing.

 

Fragmentação

Sistemas de arquivos Linux são projetados para minimizar a fragmentação, mantendo espaço suficiente entre os arquivos no disco rígido. This allows files to grow and still be written to the same location on the hard disk. Overtime though the file system can become fragmented where tools are provided for de-fragmentation.

 

 

 

 

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