On Unix-like operating systems, The link command associates a file with a file name in a file system.
This document describes the GNU/Linux version of link.
The link command creates a hard link named FILE2 which shares the same index node as the existing file FILE1. Since FILE1 and FILE2 share the same index node, they will point to the same data on the disk, and modifying one will be functionally the same as modifying the other.
This is distinct from creating a "soft" symbolic link to a file, which creates its own index node and therefore does not directly point to the same data.
For example, a user cannot create a hard link which links to a directory; but this can be accomplished using a symbolic link.
The above example would create the file hope.txt linked to the file computer.txt. Any changes that occurred with either of these files would affect the other file or link.
link (將文件與文件系統中的文件名相關聯)
在類似Unix的操作系統上，link命令將文件與文件系統中的文件名相關聯。 本文檔描述了鏈接的GNU / Linux版本。
On Unix-like operating systems, The link command associates a file with a file name in a file system. This document describes the GNU/Linux version of link.
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1 link 運行系統環境
2 link 說明
3 link 語法
4 link 例子
link 運行系統環境
Linux
link 說明
該link命令創建一個硬鏈接名為FILE2共享相同索引節點的現有文件FILE1。由于FILE1和FILE2共享同一索引節點，因此它們將指向磁盤上的相同數據，并且修改一個在功能上與修改另一個在功能上相同。
這不同于創建指向文件的“軟” 符號鏈接，后者創建其自己的索引節點，因此不會直接指向相同的數據。
例如，用戶不能創建鏈接到目錄的硬鏈接。但這可以使用符號鏈接來完成。
The link command creates a hard link named FILE2 which shares the same index node as the existing file FILE1. Since FILE1 and FILE2 share the same index node, they will point to the same data on the disk, and modifying one will be functionally the same as modifying the other.
This is distinct from creating a "soft" symbolic link to a file, which creates its own index node and therefore does not directly point to the same data.
For example, a user cannot create a hard link which links to a directory; but this can be accomplished using a symbolic link.
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link 語法
選件
--help
顯示幫助并退出。
--version
顯示版本信息，然后退出。
Options
--help
display help and exit.
--version
display version information, and exit.
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link 例子
上面的示例將創建鏈接到文件computer.txt的文件hope.txt。這些文件之一發生的任何更改都會影響另一個文件或鏈接。
The above example would create the file hope.txt linked to the file computer.txt. Any changes that occurred with either of these files would affect the other file or link.
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其他命令行
ldd | last | ln | login | ls | lsmod | lpstat | losetup | lprm | lpr | lpq | lp | lpc | locate | logname | lpadmin |