如果垃圾收集器需要释放堆中的内存，则这些内存区域将允许任务使用内存而不需要中断任务。
These areas allow tasks to use memory without being required to block if the garbage collector needs to free memory in the heap.
如果这种尝试仍然不能释放足够的资源，JVM将从操作系统获取更多的内存，直至达到允许的最大极限。
If this attempt still doesn't free enough resources, then the JVM will obtain more memory from the operating system until it finally reaches the maximum allowed.
人们期望程序在完成任何操作后释放分配的内存，并允许系统和其他程序员使用该内存。
The program is expected to release allocated memory when it has completed any operations, and let the system and other programs use that memory.
举个最奇怪的例子，一些早期版本的Unix分配器允许程序员realloc已经被释放了的内存。
For the oddest example, some early versions of Unix allocators allowed programmers to realloc memory that had already been freed.
问题：当我试图使用ipcrm命令来释放共享内存时，看到一个错误说不允许我删除这段共享内存。
Question: When I try to free the Shared memory using the ipcrm command, I get an error stating that I am not allowed to remove the Shared memory.
问题：当我试图使用ipcrm命令来释放共享内存时，看到一个错误说不允许我删除这段共享内存。
Question: When I try to free the Shared memory using the ipcrm command, I get an error stating that I am not allowed to remove the Shared memory.
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