[Ilugc] One Day One GNU/Linux Command (LN)
sbharathi at MidasComm.Com
Fri Aug 22 09:34:50 IST 2008
One Day One GNU/Linux Command
ln -- Make LiNks between files.
Create a link to the specified TARGET with optional LINK_NAME. If
LINK_NAME is omitted, a link with the same basename as the TARGET is
created in the current directory. By default, it makes HardLinks.
A "hard link" is another name for an existing file. The link and the
original are share the same inode. So indistinguishable.
A SoftLinks/SymbolicLinks/symlinks are a special file type. The link
file actually refers to a different file, by name. At runtime kernel
automatically "dereferences" the link and operates on the target of
$ ln --help -- Show help info.
$ ln A B -- Creates hard link B for file A.
$ ln -b A B -- Same as above. If B is already exist then take a backup
(B~) and creates new B.
$ ln -b -S .bak A B -- Same as above. If B is already exist then take
a backup with specified extension name(B.bak) & creates new B.
$ ln -f A B -- Force. If B is exist then overwrite it.
$ ln -i A B -- Interactive. Prompt the user for removing the already
existing file B.
$ ln -s A B -- Creates soft link B for file A.
$ ln -s dir1/myfile -- Creates link ./myfile pointing to dir1/myfile.
$ ln -s dir1/myfile myfile -- Creates link ./myname pointing to
$ ln -s a b .. -- Creates links ../a and ../b pointing to ./a & ./b
Read: man ln
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