As Robert said, the O'Reilly books are great.
I have Linux in a Nutshell from O'Reilly and learned
an easier way to change permissions than what I had been
using. The idea is just to say what you want the
permissions to be for user, group, and other. Here's
some examples:
/home/terry/temp>ls -la
total 16
drwxr-xr-x 2 terry users 4096 Jun 19 00:56 .
drwx------ 10 terry users 4096 Jun 19 00:55 ..
-rw-r--r-- 1 terry users 9 Jun 19 00:56 file_one
-rw-r--r-- 1 terry users 11 Jun 19 00:56 file_two
/home/terry/temp>chmod u=rwx, g=rw, o=x file_one
chmod: g=rw,: No such file or directory
chmod: o=x: No such file or directory
(Oops, I guess it doesn't like spaces- try
again)
/home/terry/temp>chmod u=rwx,g=rw,o=x file_one
(Meaning that I,user, can read write xecute, group can read write, other
can execute)
/home/terry/temp>ls -la
total 16
drwxr-xr-x 2 terry users 4096 Jun 19 00:56 .
drwx------ 10 terry users 4096 Jun 19 00:55 ..
-rwxrw---x 1 terry users 9 Jun 19 00:56 file_one
-rw-r--r-- 1 terry users 11 Jun 19 00:56 file_two
(It worked!)
/home/terry/temp>chmod u=rw *
(user can read and write all files in directory)
/home/terry/temp>ls -la
total 16
drwxr-xr-x 2 terry users 4096 Jun 19 01:14 .
drwx------ 10 terry users 4096 Jun 19 00:55 ..
-rw------x 1 terry users 9 Jun 19 00:56 file_one
-rw------- 1 terry users 11 Jun 19 00:56 file_two
/home/terry/temp>chmod g= *
(group cannot do anything to any files - leaving a blank removes
permissions)
/home/terry/temp>ls -la
total 16
drwxr-xr-x 2 terry users 4096 Jun 19 01:14 .
drwx------ 10 terry users 4096 Jun 19 00:55 ..
-rw------x 1 terry users 9 Jun 19 00:56 file_one
-rw------- 1 terry users 11 Jun 19 00:56 file_two
Carolyn Jarie Getter wrote:
>
> Someone please tell me there exists an explanation of file and directory
-snip-
>
> Carolyn
>
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