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ipcs [-m|-q|-s]
-m Êä³öÓйع²ÏíÄÚ´æ(shared memory)µÄÐÅÏ¢
-q Êä³öÓйØÐÅÏ¢¶ÓÁÐ(message queue)µÄÐÅÏ¢
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#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
int main()
{
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2. Æô¶¯linuxÉϵÄftp server ʹÓÃÃüÁservice vsftpd start
3. ......
rm -rf mydir /* ɾ³ýmydirĿ¼ */
cd mydir /* ½øÈëmydirĿ¼ */
cd – /* »ØÉÏÒ»¼¶Ä¿Â¼ */
cd ~ /* »Ø¸ùĿ¼ */
mv tools tool /* °ÑtoolsĿ¼¸ÄÃûΪtool */
ln -s tool bac
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cp -a tool /home/leavex/www /* °ÑtoolÄ ......
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