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mt:tldr:a0791
mt: Write EOF (End-of-file) mark at the current position.
$ mt -f {{/dev/nstX} eof
try on your machine
The command "mt -f {{/dev/nstX} eof}" is used to set a tape device to the end-of-file (EOF) marker.
Here's a breakdown of the command:
- "mt" stands for "Magnetic Tape Control" and refers to a utility used to control tape devices on Unix-like systems.
- "-f" specifies the tape device file to operate on. In this case, "{{/dev/nstX}" is a placeholder for the actual tape device file. For example, it could be "/dev/nst0" or "/dev/nst1", depending on the system configuration.
- "eof" is a command used to position the tape at the end-of-file marker. It marks the current position on the tape as the logical end of the recorded data.
In summary, when you run this command, it will set the specified tape device to the end-of-file marker, indicating that any subsequent reads or writes will begin from the logical end of the recorded data.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.