# ls -la ~ dr-xr-x---. centos centos 4096 May 4 09:11 .
The description of
dr-xr-x --- at the time of doing something is permission.
--File access rights --Controls the execute permission of sh and the write permission by PHP.
I've been doing PG for a long time, but I haven't really investigated it. (Because it was a stray PG, I have never studied properly) It ’s squid. That's why I asked the person at work, so I make a memorandum
xcan be replaced with numbers, respectively.
--Yo with 3 character delimiters
are arranged in this order. ―― ʻOwner It is the authority to allow the owner himself.
This is the authority to allow the group to which the owner belongs. ―― ʻOther It is the authority to allow other users.
--For example, if you say
chmod 700 ., it will be
--In other words, the character value is specified as a numerical value.
--In the case of the example,
r + w + x is used to add up to
7, and the following is set to
00 to make it
Let's remember it properly.