wangzhengquan
2021-02-20 b5ae34d4422399c5d5458d071cca8c9bc89d20bb
1
2
3
4
5
6
ipcrm -a
rm *.txt
./test_lostdata
sort -n c.txt  > c1.txt
sort -n p.txt  > p1.txt
diff -u p1.txt c1.txt