ORACLE

摘要： A large PostgreSQL installation can quickly hit various operating system resource limits. Shared Memory and Semaphores Shared memory and semaphores are collectively referred to as "System V IPC". Wh... 阅读全文

摘要： .gz 解压1：gunzip FileName.gz 解压2：gzip -d FileName.gz 压缩：gzip FileName .tar.gz 解压：tar zxvf FileName.tar.gz 压缩：tar zcvf FileName.tar.gz DirName --------------------------------------------... 阅读全文