Therefore, cat file | tail -f will not work as expected, but tail -f file will.
因此，catfile |tail -f将不会得到所期望的结果，但tail - f file则可以。
The IDS agent executable module needs an attribute file that describes how to handle data. Use the -f option to identify the attribute file.
IDS代理可执行模块需要一个用于描述如何处理数据的属性文件。
The c option tells tar to create a new archive, and the f option to use the next argument as the name of the archive file to be created (mydir.tar).
c选项让tar创建新的存档文件，f 选项使用后面的参数指定要创建的存档文件的名称 (mydir.tar)。
If you use this option, be sure to specify the whole path of the file after f so that IDS will not be confused about the file location.
如果使用该选项，请确保在f后指定文件的整个路径，从而 IDS不会将文件位置弄错。
Desktop.edit(File f): Uses the program associated with the edit command of the file type to open the file.
edit(File f)：使用与文件类型的edit命令相关的程序打开文件。
f lines indicate that there has been a change in the file or a new file has been created (with >f++++++++).
f行表示文件已经修改过或是新建的文件（>f++++++++）。
The v, f, and p options specify verbose output (prints the files being added/extracted), writes/reads from a file (instead of a tape device), and retains permissions and ownership, respectively.
f和p选项分别指定输出详细信息（显示正在添加或提取的文件）、对文件（而不是磁带设备）进行写入/读取、保持权限和所有权。
Desktop.open (file f) : Uses the program associated with the open command of the file type to open the file.
open (File f)：使用与文件类型的openc命令相关的程序打开文件。
Desktop.print (file f) : Prints the file.
print (File f)：打印文件。
We will not use the Unix "mv" command, because perl's rename function renames file well enough (see perldoc -f rename for details on when rename won't do a good job).
我们将不使用Unix“mv”命令，因为用perl的rename函数来重命名文件已经相当不错了(请参阅perldoc- f rename以获取当使用rename出问题时的详细信息)。
For instance, the -f switch commonly used to tell a program to read a configuration file complicates the configuration because the file may override or supplement options given on the command line.
例如，- f开关通常用于告诉程序读取一个配置文件，这将因为该文件可能覆盖或者补充命令行上给出的选项而使处理变复杂。
The -f flag is used to point to a file containing disk descriptors for disks to be defined as NSDs.
定义为nsd的磁盘的磁盘描述符包含在一个文件里，- F标志就用来指向这个文件。
In this mode, you initiate the session and provides a Jython script file by using the -f argument.
在这种模式中，您将发起会话并通过使用- f参数提供一个jython脚本文件。
The -f operator returns true only if the file exists.
只有在文件存在时，-f操作符才返回true。
For more complex unloads, you might be required to construct a control file and then pass it to the DB2 High Performance unload command line with the -f option.
对于更复杂的卸载，您可能还需要构造一个控制文件，然后使用- f选项将它传递到DB 2HighPerformance Unload命令行。
However, when you want to create automated administrative processes built around scripting, the WebSphere CloudBurst CLI offers file mode, which is batch mode using the -f argument.
然而，当您需要创建围绕脚本构建的自动化管理流程时，WebSphereCloudBurstCLI提供了文件模式，这是一种使用- f参数的batch模式。
The -f switch again points to our file, and -p indicates that we want to restore archived permissions.
这里的-f开关同样指向归档文件，- p开关表明我们想要还原归档的权限。
As soon as the channel is opened, we execute a custom command — in this case, a tail -f on the Weblog file whose name is specified on the command line.
通道一旦打开，我们就执行一条定制的命令——本例中是Weblog文件中的一条tail - f命令，其名称在命令行中指定。
The -f option allows you to specify a master file containing search items for which you search frequently.
f选项让我们可以指定一个包含搜索项的主文件，其中可以列出经常搜索的内容。
The commands to be run are read from a file specified with the -f option, or from stdin if -f is not used.
要运行的命令是从 -f选项指定的文件读取的，如果没有使用 -f，那么从stdin 读取。
Also, ensure the ulimit file size is set to greater than the default value or run the command ulimit -f unlimited before downloading the large file.
另外，确保将ulimit文件大小设置为大于默认值，或在下载大文件之前运行ulimit- f unlimited命令。
Rather than running multiple wsadmin -c commands from a file or from the command line, use a single wsadmin -f command, with multiple commands inside the target file. For example, instead of.
与从文件中或从命令行运行多个wsadmin—c命令不同，应使用单个wsadmin—f命令，并将多个命令放在目标文件中。
To start the nmon process and log entries to a file, enter nmon -f -s 15 -c 120.
要启动nmon进程并将日志条目记录到一个文件中，输入 nmon-f-s15-c 120。
A colon (:) after an option letter indicates that the option requires a value; for example, a -f option might be used to indicate a file name, as in the tar command.
选项字母后的冒号(：)表示该选项需要一个值；例如，- f选项可能用于表示文件名，tar命令中就是如此。
If you type f, then click Escape, file will be filled out, and you'll have to type the 1, 2, or 3 to complete the appropriate file name.
如果您键入f，然后按esc键，将填充file，而您必须键入1、2或3来完成相应的文件名。
Multiple -f switches will produce just one, the last one, as the file to be read.
多个- f开关将导致最后一个文件被读取。
If you want to save yourself some typing, get the mysql.batch1 file from the samples directory and run the command mysql -f -u root -p < mysql.batch1.
如果您希望免去一些输入工作，可从samples目录获得mysql.batch1文件，然后运行命令 mysql -f -uroot-p < mysql.batch1 。
ssh-keygen -f /tmp/key -t dsa will give you a private key in a file called key and a public key in a file called key.pub.
ssh-keygen-f /tmp/key-tdsa可以在文件 key 中生成一个私钥，在文件 key.pub 中生成一个公钥。
Runs the Address Fix on all migrated mail files listed in the specified text file for example, load convert -w -f c: \ TMP \ maildlist.txt.
在为示例指定的文本文件中列出的所有已迁移邮件文件上运行AddressFix，例如loadconvert- w- fc： \tmp \maildlist . txt。
Start Emacs and open a file ([Ctrl]-x[Ctrl]-f) called test.html.
启动Emacs，然后打开（[Ctrl]-x[Ctrl]-f）test.html 文件。
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