# Basics of Linux ### Working with files

# File attributes
                        <div class="slide-content text-column">

```txt
                        $ ls –l /
                        drwxr-xr-x    2 root     root          4096 Jan  7 08:54 bin
                        drwxr-xr-x    3 root     root          1024 Jan  7 08:54 boot
                        drwxr-xr-x   12 root     root          2720 Dec 21 17:58 dev
                        drwxr-xr-x   30 root     root          4096 Jan  7 08:54 etc
                        drwxr-xr-x    3 root     root          4096 Dec 21 17:57 home
                        drwxr-xr-x    8 root     root          4096 Dec 21 17:57 lib
                        drwx------    2 root     root         16384 Dec 21 17:57 lost+found
                        drwxr-xr-x    5 root     root          4096 Dec 21 17:57 media
                        drwxr-xr-x    2 root     root          4096 Dec 21 17:57 mnt
                        drwxr-xr-x    2 root     root          4096 Dec 21 17:57 opt
                        dr-xr-xr-x  130 root     root             0 Dec 21 17:58 proc
                        drwx------    2 root     root          4096 Dec 21 18:03 root
                        drwxr-xr-x    6 root     root           300 Dec 22 11:37 run
                        drwxr-xr-x    2 root     root          4096 Dec 21 17:57 sbin
                        drwxr-xr-x    2 root     root          4096 Dec 21 17:57 srv
                        dr-xr-xr-x   13 root     root             0 Dec 21 17:58 sys
                        drwxrwxrwt    4 root     root            80 Jan  7 08:54 tmp
                        drwxr-xr-x    8 root     root          4096 Dec 21 17:57 usr
                        drwxr-xr-x   11 root     root          4096 Jan  7 08:54 var
                        $ ▋
                        ```

</div>
                        ---
                        # File attributes
                        <div class="slide-content image-column">
                            <img src="/img/sld-linux-1-working-with-files-01.svg" alt="Linux file attributes when using ls with long format.">
                        </div>
                        ---
                        # File attributes
                        <div class="slide-content image-column">
                            <img src="/img/sld-linux-1-working-with-files-02.svg" alt="Linux file attributes when using ls with long format.">
                        </div>
                        ---
                        # File attributes
                        <div class="slide-content image-column">
                            <img src="/img/sld-linux-1-working-with-files-03.svg" alt="Linux file attributes when using ls with long format.">
                        </div>
                        ---
                        # File attributes
                        <div class="slide-content">
                        <div class="text-column">

> "Give the user permission to read and execute the file. Give the group and others read-only permission."