···

       
11
       
11
       
 
       
<command>dd if=<replaceable>path-to-image</replaceable>

     

       
12
       
12
       
 
       
of=<replaceable>/dev/sdb</replaceable></command>. Be careful about specifying the

     

       
13
       
13
       
 
       
correct drive; you can use the <command>lsblk</command> command to get a list of

     

       
14
       
14
       
-
       
block devices. If you're on macOS you can run <command>diskutil list</command>

     

       
15
       
15
       
-
       
to see the list of devices; the device you'll use for the USB must be ejected

     

       
16
       
16
       
-
       
before writing the image.</para>

     

       
14
       
14
       
+
       
block devices.</para>

     

       
17
       
15
       
 
       


     

       
16
       
16
       
+
       
<para>On macOS:

     

       
17
       
17
       
+
       
<programlisting>

     

       
18
       
18
       
+
       
$ diskutil list

     

       
19
       
19
       
+
       
[..]

     

       
20
       
20
       
+
       
/dev/diskN (external, physical):

     

       
21
       
21
       
+
       
   #:                       TYPE NAME                    SIZE       IDENTIFIER

     

       
22
       
22
       
+
       
[..]

     

       
23
       
23
       
+
       
$ diskutil unmountDisk diskN

     

       
24
       
24
       
+
       
Unmount of all volumes on diskN was successful

     

       
25
       
25
       
+
       
$ sudo dd bs=1m if=nix.iso of=/dev/rdiskN

     

       
26
       
26
       
+
       
</programlisting>

     

       
27
       
27
       
+
       
Using the 'raw' <command>rdiskN</command> device instead of <command>diskN</command>

     

       
28
       
28
       
+
       
completes in minutes instead of hours. After <command>dd</command> completes, a GUI

     

       
29
       
29
       
+
       
dialog "The disk you inserted was not readable by this computer" will pop up, which

     

       
30
       
30
       
+
       
can be ignored.</para>

     

       
31
       
31
       
+
       
         

     

       
18
       
32
       
 
       
<para>The <command>dd</command> utility will write the image verbatim to the drive,

     

       
19
       
33
       
 
       
making it the recommended option for both UEFI and non-UEFI installations. For

     

       
20
       
34
       
 
       
non-UEFI installations, you can alternatively use