trailer label; end-of-file label; EOF label
Computing term for a label or marker placed at the end of a file or data structure, often used in tape or sequential storage contexts.
A trailer label is recorded at the end of the magnetic tape.
The trailer label contains information indicating the end of the file.
Compound of 後書き (あとがき, 'afterword' or 'postscript') and ラベル ('label'), likely a calque from English 'trailer label' or 'end-of-file label'.