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(16) Working with directories

Working with Directories

Creating, moving and removing directories.

mkdir frog

Makes a directory named "frog".

mv frog toad

Moves a directory, removes the old directory (effectively a rename). This only works if they are on the same filesystem.

cp -r toad lizard

Copies one directory to another. The "-r" flag says to recursively copy files and subdirectories. This is only one (not the best) of several ways to copy a directory hierarchy.

rmdir toad

Removes a directory, if the directory is empty.

rm -r toad

Will remove a directory even if it is not empty. Again, "-r" indicates recursive action, deleting all the contents first. Use with caution.

ln -s lizard snake

Links (similar to a Macintosh alias) one file to another. Think of it as creating a "pointer" to a file or directory; good for creating easy access to a shared resource. Take a look at this with a ls -l.. "lizard" is the real file, while "snake" is the alias for it.

lrwxrwxrwx 1 jwallace web   6 Oct 14 20:02 snake -> lizard

slide18.src last modified Jan 31, 2011

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