Ubuntu Terminal: How to Make a Folder Writable CodeUnit 15 AUG 2011

It is not often that you need to force a folder in Ubuntu to be writable, usually you only sit with this sort of issue when you want to create a space on your web server for users to upload something to or some other similar reason. Anyway, luckily it is a simple matter to make a folder writable via an Ubuntu terminal instance, making use of the classic chmod functionality.

In practice, to make a folder like /home/uploads writable to all, run:

chmod 777 /home/uploads

The value of 7 indicates read, write and execute permissions, with the first 7 standing for the owner, the second for the group and the final one for everyone else.

And that should pretty much do it, though remember a folder with such open permissions is a pretty risky little beast to have lying around.

Nifty.

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About Craig Lotter

South African software development manager and senior application developer at Touchwork. Husband to a cupcake baker and father to two little girls. I don't have time for myself any more.

  • Shairozan

    This command does more than make a directory writable. 777 Means it is Readable, Writable and Executable by any user and this is ill-advise for any actual implementation. The appropriate way to make a file writable is as follows:

    chmod ug+w filename

    This makes the filename writable for the owning user and its group. You could also do

    chmod o+w filename

    But this makes it writable to all other users, which would be the same as the 777. I would also look into what the octal references (numbers, ie 777, 620) mean.