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• File write
• File read

File write

This executable can write data to local files.

• Unprivileged

  This function can be performed by any unprivileged user.

  echo DATA | dd of=/path/to/output-file

  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 ....

  echo DATA | dd of=/path/to/output-file

  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.

  echo DATA | dd of=/path/to/output-file

File read

This executable can read data from local files.

• Unprivileged

  This function can be performed by any unprivileged user.

  dd if=/path/to/input-file

  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 ....

  dd if=/path/to/input-file

  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.

  dd if=/path/to/input-file

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