.TH TSORT 1 .SH NAME tsort \- topological sort [IBM] .SH SYNOPSIS \fBtsort \fIfile\fR .br .de FL .TP \\fB\\$1\\fR \\$2 .. .de EX .TP 20 \\fB\\$1\\fR # \\$2 .. .SH EXAMPLES .EX "lorder *.s | tsort" "Give library ordering" .EX "ar cr libc.a \`lorder *.s | tsort\`" "Build library" .SH DESCRIPTION .PP \fITsort\fR accepts a file of lines containing ordered pairs and builds a total ordering from the partial orderings.