建立软链接

Windows：

MKLINK [[/D] | [/H] | [/J]] Link Target

/D 创建目录符号链接。默认为文件
符号链接。
/H 创建硬链接而非符号链接。
/J 创建目录联接。
Link 指定新的符号链接名称。
Target 指定新链接引用的路径
(相对或绝对)。

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Linux：

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Usage: ln [OPTION]... [-T] TARGET LINK_NAME
or: ln [OPTION]... TARGET
or: ln [OPTION]... TARGET... DIRECTORY
or: ln [OPTION]... -t DIRECTORY TARGET...
In the 1st form,create a link to TARGET with the name LINK_NAME.
In the 2nd form,create a link to TARGET in the current directory.
In the 3rd and 4th forms,create links to each TARGET in DIRECTORY.
Create hard links by default,symbolic links with --symbolic.
By default,each destination (name of new link) should not already exist.
When creating hard links,each TARGET must exist. Symbolic links
can hold arbitrary text; if later resolved,a relative link is
interpreted in relation to its parent directory.

Mandatory arguments to long options are mandatory for short options too. --backup[=CONTROL] make a backup of each existing destination file -b like --backup but does not accept an argument -d,-F,--directory allow the superuser to attempt to hard link directories (note: will probably fail due to system restrictions,even for the superuser) -f,--force remove existing destination files -i,--interactive prompt whether to remove destinations -L,--logical dereference TARGETs that are symbolic links -n,--no-dereference treat LINK_NAME as a normal file if it is a symbolic link to a directory -P,--physical make hard links directly to symbolic links -r,--relative create symbolic links relative to link location -s,--symbolic make symbolic links instead of hard links -S,--suffix=SUFFIX override the usual backup suffix -t,--target-directory=DIRECTORY specify the DIRECTORY in which to create the links -T,--no-target-directory treat LINK_NAME as a normal file always -v,--verbose print name of each linked file --help display this help and exit --version output version information and exit