工具: count lines of code at "http://cloc.sourceforge.net"
Linux-2.6.31-rc7
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C 12573 1179553 1264252 6027154
C/C++ Header 10931 256634 410932 1352858
Assembly 1060 36565 43646 230460
make 1157 5196 5880 18508
Perl 26 1566 1734 8149
Bourne Shell 55 504 1351 3068
yacc 5 447 318 2962
C++ 1 206 58 1501
lex 5 222 246 1399
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SUM: 25836 1481330 1728564 7648383
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linux-2.4-stable
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C 5227 523494 626959 2707448
C/C++ Header 5129 133052 206367 691392
Assembly 535 27047 25540 169397
make 475 4247 4597 10967
Bourne Shell 45 505 1459 3468
Perl 11 362 437 2283
yacc 2 235 223 1651
lex 2 56 143 553
awk 5 40 21 252
Lisp 1 63 0 218
Bourne Again Shell 4 11 35 51
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SUM: 11442 689206 865848 3588818
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minix3
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C 1716 62111 73369 366237
C/C++ Header 594 7441 11749 33913
Assembly 394 1130 369 11875
Bourne Shell 97 987 924 10198
make 119 1874 949 5563
lex 10 198 168 931
yacc 2 214 180 885
Perl 5 131 66 538
awk 2 29 37 212
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SUM: 2957 74221 87953 432064
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