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Is there a way to check the permissions of the root folder, /? I mean the folder's permissions, not its content's (/var, /usr, etc.) permissions? Running ls /.. shows the content's permissions.

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Have you tried the -l option: ls -l / – slackmart Mar 25 '14 at 0:59
Yes, it shows the contents; I wanted the contents of the outer folder, which doesn't technically exist. The question is already answered anyway. – trysis Mar 25 '14 at 1:22
up vote 58 down vote accepted

You can also use the -d switch of ls:

$ ls -ld /
drwxr-xr-x 28 root root 126976 Mar 20 17:11 /

From man ls:

   -l     use a long listing format
   -d, --directory
          list  directory entries instead of contents, and do not derefer‐
          ence symbolic links
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stat -c "%a %n" /

It will give you the permissions.

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Thanks, that was fast. stat seems like an interesting, useful command, having read its man page. – trysis Mar 25 '14 at 1:02
You should use the a switch to see the permissions of . which corresponds to root home. – Ramesh Mar 25 '14 at 1:05
Yeah, that's what the other answer says, and what I should have thought of. D'oh! – trysis Mar 25 '14 at 1:15
ha ha. You can accept either of the 2 answers. Both the answers seem to suit what you need :) – Ramesh Mar 25 '14 at 1:18
Ugh, I wish I could accept both. They're both perfect! – trysis Mar 25 '14 at 1:19

Use the -a switch of ls to include hidden files as well as . and .. in the listing and the -l switch for a "long" listing (which includes the permissions, among other information):

ls -la /

The line with a single . in the last column will contain information about the listed directory itself, i.e. /:

drwxr-xr-x 26 root root 4096 Mar 10 15:57 .

However if you only need information about / itself, terdon's answer (using the -d switch) will probably be handier.

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@trysis I routinely use ls -blah. It has everything you could possibly want to know about a file or directory. – n.st Mar 25 '14 at 1:06
This is not really a very good solution, it will list all files under / when all the OP wanted was / itself. See stat or ls -ld in the answers below. – terdon Mar 25 '14 at 2:08
@trysis You might want to accept terdon's answer instead since it's closer to what you originally wanted to achieve. – n.st Mar 25 '14 at 3:14
Fair enough, the comment was not so much directed at you as to future users who might see this as the accepted answer and assume it is the Best Way® to do it. – terdon Mar 25 '14 at 3:15
. is not necessarily first. The list is sorted lexically. There are several characters that sort before . in many locales. – Stéphane Chazelas Mar 25 '14 at 12:12

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