Read the bytes with the file descriptor.
使用文件描述符读取字节。
This system call returns a file descriptor.
这个系统调用返回一个文件描述符。
Fd is the file descriptor of the device file.
fd是设备文件的文件描述符。
The file descriptor is used as the device handle.
文件描述符用作设备句柄。
Then, open the device driver and get the file descriptor.
然后打开设备驱动器并获取文件描述符。
The file descriptor is merely an identifier for the process.
文件描述符只不过是进程的标识符。
To do this, each application opens the same file descriptor.
要做到这一点，每个应用程序都要打开相同的文件描述符。
The close file descriptor, or closefd, can be True or False.
关闭文件描述符或closefd可以是True或False。
If False, the file descriptor is kept after the file is closed.
如果是False，此文件描述符会在文件关闭后保留。
There is no need to have each agent maintain its own file descriptor table.
这里不需要让每个代理维护它自己的文件描述符表。
The final file descriptor is write-only and refers to /var/run/sendmail.pid.
最后一个文件描述符是只写的，并且指向 /var/run/sendmail.pid。
It cannot respond to a file descriptor immediately when the data becomes ready.
当一个文件描述符上数据准备好时，它无法立即响应。
You might also know that the standard output (the screen) is a file descriptor, too.
您可能还知道，标准输出（屏幕）也是一个文件描述符。
fd is the file descriptor, a pointer to the file. For this example, use the following
fd是文件描述符，是指向文件的一个指针。
Open the SCSI generic device file (such as sg1) to get the file descriptor of SCSI device.
打开SCSI通用设备文件(比如sg1)获取SCSI设备的文件描述符。
This system call requires the file descriptor from shm_open and returns a pointer to memory.
这个系统调用需要shm_open返回的文件描述符，它返回指向内存的指针。
At the top is the open file object, which is referenced by a process's file descriptor list.
在顶层是打开的file对象，它由进程的文件描述符列表引用。
You can then continue to access it within your program by passing around the file descriptor.
于是，您就可以在自己的程序中通过传送文件描述符来访问该文件。
The pollset interface can perform best when the file descriptor set is not frequently updated.
在文件描述符集不需要频繁更新的情况下，最适合使用pollset接口。
You should never see any output from STDOUT (file descriptor 1) or STDERR (file descriptor 2).
您应该不会看到任何来自STDOUT(文件描述符1)或者STDERR(文件描述符2)的输出。
By using leasing on the file descriptor, you take a lease with the kernel on a particular file.
通过对文件描述符执行租借，可以同内核就某个特定文件达成租约。
It maintains the file descriptor state on the requested file descriptor set across system calls.
它跨系统调用在请求的文件描述符集上维护文件描述符状态。
In some cases, you can also map a file descriptor to a plain file or another device into memory.
在某些情况下，还可以把一般文件或另一个设备的文件描述符映射到内存。
shm_unlink(): Deletes a shared memory region given a file descriptor (returned from shm_open()).
shm_unlink()：根据（shm_open()返回的）文件描述符，删除共享内存段。
You later discovered that lsof shows the file descriptor of a process and the associated file name.
在随后的内容中，您看到了 lsof 可以显示进程的文件描述符和相关的文件名。
These events can be things like timers, signals, data ready for reading on a file descriptor, and so on.
这些事件可以是诸如计时器，信号，文件描述符上预备读取的数据，等等。
After you wait for some amount of time, you start over again by repeatedly reading each file descriptor.
在等待一段时间之后，重新开始，重复读取每个文件描述符。
For every open() call, there will be exactly one release() call with the same flags and file descriptor.
对于每个open()调用来说，都必须有一个使用完全相同标记和文件描述符的release() 调用。
Is the system call that creates an inotify instance and returns a file descriptor referring to the instance.
是用于创建一个inotify实例的系统调用，并返回一个指向该实例的文件描述符。
After user foo logs in to AIX, run the limit command to verify that his file descriptor limit is set to 1000.
在用户foo登录aix之后，运行ulimit命令以验证他的文件描述符限制是否设置为1000。
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