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。

youdao

The steps outlined here include permanently defining a swap VDISK in your VM startup exec and configuring permanent changes in Linux to pick up the VDISK as swap on reboots.

在这里描述的步骤包括：在 VM 启动 exec 中定义交换分区 VDISK，在 Linux 中配置永久变更，使重启时使用 VDISK 做为交换分区。

youdao

On Linux x86, you can use a compare and swap operation to implement atomic locking. For example, a sample implementation for compare and swap on Linux x86 can be the following.

在Linux x86上，您可以使用一个compare和swap操作来实现原子锁。

youdao

Mr.Netanyahu said he will fly on Tuesday to Egypt, which has been mediating between Israel and Hamas on the prisoner swap.

VOA: standard.2009.12.27

In the second case, I found in the next smallest element and moved here, taking what was there and moving it on, in this case I would swap the 4 and the 8, and in next case I wouldn't have to do anything.

在第二次遍历中，我找到了,第二小的元素，把它移到这里,把这里原来的元素移到哪里,在这一次遍历中，我会把8和4交换,然后一次遍历，不会做任何事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

Just swap these two values for me and let me move on is the reasoning.

只要帮我把这两个值交换,让我继续往下执行。

哈佛公开课 - 计算机科学课程节选

In line with the cash share price tumble the Credit Default Swap on BP broke higher by 20 basis points 10 trade at 103bps over 3 month LIBOR.

FORBES: BP Environmental Failings Usher US Lawsuit

Every day that the US government takes your tax money and uses to avoid issuing more 10 year Treasury Bonds is a day that the US government is buying an Interest Rate Swap on your behalf.

FORBES: Connect

Soon after, yacht captains talk about where they're heading and swap tips on anchorage conditions.

FORBES: Blackbeard's Beach