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• File read

File read

This executable can read data from local files.

• Comment

  A newline is appended to the file.

  Unprivileged

  This function can be performed by any unprivileged user.

  comm /path/to/input-file /dev/null

  Sudo

  This function is performed by the privileged user if executed via sudo because the acquired privileges are not dropped.

  Remarks

  If there are environment variables involved, they must be passed via sudo VAR=value ... or exported then sudo -E ....

  comm /path/to/input-file /dev/null

  SUID

  This function is performed by the privileged user if the executable has the SUID bit set and the right ownership because the effective privileges are not dropped.

  comm /path/to/input-file /dev/null

  Remarks

  The content is corrupted or otherwise altered by the process, thus it might not be suitable for handling arbitrary binary data.

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