swapon -s will display all used swap areas, their type, size, usage, and priority.
swapon的命令-s显示所有已用交换区，它们的类型、大小、使用和优先级。
swapon (and its sister swapoff) is used to start swap on files/devices, and display status of currently used swap areas.
swapon(它的同类swapoff)用于开启文件系统/设备上的交换分区，显示目前使用交换区的状态。
Some only use swap space when the physical memory has already been used.
有些变体仅在已经使用完物理内存时才使用交换空间。
You might be unable to run all of the applications that you want with too little swap space, and you might be wasting disk space that is never used with too much swap space.
如果交换空间太小，则可能无法运行您希望运行的所有应用程序，而如果交换空间太大，则可能在浪费那些从未使用的磁盘空间。
Swap files used in this way are never generally a long-term solution to the problem for swap space.
以这种方式使用的交换文件通常决不是针对交换空间问题的长期解决方案。
By default, some avoid using swap space and, where possible, provide a mechanism to let you tune how swap space is used.
缺省情况下，有些变体避免使用交换空间，并尽可能提供某种机制来允许您调整交换空间的使用方式。
The process by which a page is selected to swap to storage is called a page-replacement algorithm and can be implemented using a number of algorithms (such as least recently used).
选择一个页面来交换存储的过程被称为一个页面置换算法，可以通过使用许多算法(至少是最近使用的)来实现。
The command displays the total amount of free, used physical, and swap memory in the system, as well as the buffers used by the kernel.
该命令显示系统中的空闲内存、已使用的物理内存和交换内存的总量，以及内核所使用的缓冲区。
Attaching a higher priority to the SSD swap allows it to be used until exhausted; only then would pages be written to the lower-priority (slower) swap partition.
为ssd交换附加一个更高的优先级使其可以使用直至耗尽；直到那时，页面才能被写入优先级较低的交换分区。
Most systems even let you use swap files on NFS mounted filesystems, which can be used when you have no local disk space available.
大多数系统甚至允许您在NFS安装的文件系统上使用交换文件，当您没有本地磁盘空间可用时，就可以使用这样的文件系统。
There is little information here on how regularly or extensively your swap space is being used.
其中有关交换空间的定期或全面使用情况的信息非常少。
The OS can move data held in physical memory to and from a swap area when it isn't being used, to make the best use of physical memory.
操作系统可以将物理内存中的数据移动到未使用的交换区，以便于最充分地利用物理内存。
On SLES 8, only 2 GB used for central memory because of the 31-bit operating system, and 2 GB expanded memory used for swap space.
在SLES8 上，只有2GB 的内存用作中央内存，因为这是一个 31 位的操作系统，有 2 GB 的扩展内存用作交换空间。
For example, this kernel maintains separate Least Recently Used (LRU) lists, one for pages backed by files and another for pages backed by swap.
例如，这个内核维护分开的LeastRecentlyUsed (LRU)列表，一个用于文件支持的页，另一个用于交换支持的页。
The md1 (stripe) will be used as swap.
md 1(条带)会当成交换分区使用。
So we can switch the order of the two background images, applying them to opposite elements. We also need to swap the images used for the current tab
于是，交换两幅背景图像的顺序，相反过来。
swap The computer essentially forgets about the memory that was being used here, here, here for those three values.
返回时，它说开始，这个从来没有发生。，The，moment，swap，returns，，it，says，go，，this，never，happens。,本质上计算机忘记了,这里，这里和这里三个值所使用过的内存。
Another option is to swap physical means of controlling technology with voice recognition systems, which are already used in some devices, or pure intuition.
其他取代身体操作的选择可以是语音识别技术——目前已经在部分设备中使用，或者直接通过意念控制。
Now applications have used 143mb of physical memory, with the rest of being used for buffers; in addition, the system now needs to make use of 18mb of swap.
现在应用程序使用了143MB的物理内存，其余的内存均被缓冲区占用；另外，系统现在使用了18 MB的交换空间。
After more than a decade in the works, a currency-swap scheme among Asian central Banks is beginning to look like a facility that might conceivably be used.
经过数十年的酝酿，互惠外汇信贷计划已经在亚洲中央银行开始运作，这似乎像一个令人信服使用的工厂。
On SLES 8, only 2 GB were used for central memory, because of the 31-bit operating system, 2 GB expanded memory for swap space.
在SLES8上，仅使用了2GB的中心内存，因为是31位的操作系统，2 GB的扩展内存将用于交换空间。
Even if some swap is used, performance is still excellent and those parts of the TMPFS filesystem will be moved to RAM as more free VM resources become available.
即使用了一些交换分区，性能仍然是卓越的，当更多空闲的VM资源可以使用时，这部分tmpfs文件系统会被移动到RAM中去。
On SLES 8, only two GB were used for central memory because of the 31-bit operating system, and two GB expanded memory for swap space.
在SLES8 上，仅使用了2GB的中心内存，因为是31 位的操作系统，2 GB 的扩展内存将用于交换空间。
Listing 19 shows boost: : swap being used to swap two arrays.
清单19给出了用于交换两个数组的boost：swap。
The second argument to t() — $replace — is used to swap placeholders in the text with actual values.
t() 函数的第二个参数 — $replace —用于用实际值替换文本中的占位符。
Then we would need to swap only what is actually used , reducing swap time .
我们只要交换实际上使用的，以减少交换时间。
A smaller partition used to augment your RAM, mounted and referred to as swap.
一个比较小的分区用来扩大内存，挂载为swap。
The key is to look at the relationship of values total, free, cached, and swap used.
关键是看到total、free、cached和swap的值之间的关系。
As time passes, they become used to the body swap and start stepping into each other's lives.
随着时间流逝，他们渐渐习惯了身体的交换，开始介入了对方的生活（亦或是生命）。
Swap dealers used to be able to qualify for exemptions to hedge their risk after they wrote a swap.
在过去，掉期交易者在形成掉期合同后可以申请免除限制的资格以规避风险。
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