How to set max size for a specific file in linux?

by thelma.stanton , in category: General Help , 25 days ago

How to set max size for a specific file in linux?

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1 answer


by brock , 23 days ago


To set a maximum size for a specific file in Linux, you can use the "truncate" command to limit the size of the file. Here's how you can do it:

  1. Open the terminal on your Linux system.
  2. Navigate to the directory where the file is located using the "cd" command. For example, if the file is located in the "/home/user/documents" directory, run the following command: cd /home/user/documents
  3. Use the "truncate" command with the "-s" option followed by the desired size for the file. Specify the file name after the size value. For example, to set the maximum size of a file named "example.txt" to 1MB, run the following command: truncate -s 1M example.txt You can specify the size using different units like "K" for kilobytes, "M" for megabytes, or "G" for gigabytes.
  4. The file will now have a maximum size of the value you specified. If the file was initially larger than the specified size, it will be truncated (cut) to the given size. If it was smaller, it will remain as is.

Note that setting a maximum size for a file using the "truncate" command does not prevent further growth of the file. It only limits the size at the time of truncation. The file can still grow beyond that size if new content is added.