"It simply compares the dates of files." test(1) also compares the dates of files test file1 -nt file2 test file1 -ot file2 Is there anything else that

"It simply compares the dates of files." test(1) also compares the dates of files test file1 -nt file2 test file1 -ot file2 Is there anything else that make does in addition to comparing dates of files? (Besides running the shell.) tsort(1) does topological sorting tsort + sed + sort + join + nm = lorder(1) lorder can determine interdependencies