Section (1) tsort
tsort — perform topological sort
Write totally ordered list consistent with the partial ordering in FILE.
With no FILE, or when FILE is −, read standard input.
display this help and exit
output version information and exit
GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>
Full documentation <https://www.gnu.org/software/coreutils/tsort>
or available locally via: info _zsingle_quotesz_(coreutils) tsort invocation_zsingle_quotesz_
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