[root@abc ~]# ipcs -a
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x0052e2c1 0 highgo432 600 56 5
------ Semaphore Arrays --------
key semid owner perms nsems
0x00000000 0 root 600 1
0x00000000 32769 root 600 1
0x0052e2c1 65538 highgo432 600 17
0x0052e2c2 98307 highgo432 600 17
0x0052e2c3 131076 highgo432 600 17
0x0052e2c4 163845 highgo432 600 17
0x0052e2c5 196614 highgo432 600 17
0x0052e2c6 229383 highgo432 600 17
0x0052e2c7 262152 highgo432 600 17
0x0052e2c8 294921 highgo432 600 17
0x0052e2c9 327690 highgo432 600 17
0x0052e2ca 360459 highgo432 600 17
0x0052e2cb 393228 highgo432 600 17
0x0052e2cc 425997 highgo432 600 17
0x0052e2cd 458766 highgo432 600 17
0x0052e2ce 491535 highgo432 600 17
0x0052e2cf 524304 highgo432 600 17
0x0052e2d0 557073 highgo432 600 17
0x0052e2d1 589842 highgo432 600 17
0x0052e2d2 622611 highgo432 600 17
0x0052e2d3 655380 highgo432 600 17
0x0052e2d4 688149 highgo432 600 17
------ Message Queues --------
key msqid owner perms used-bytes messages
[root@abc ~]#
Shared Memory Key= parameter "port"*1000+1=5432*1000+1=5342001(十进制)=52E2C1(十六进制)