Add odd command to the common

Not much to comment - https://linux.die.net/man/1/od
Thanks

pages/common/od.md

@@ -0,0 +1,25 @@
+# od
+
+> Display file contents in hexadecimal, octal or printable character format optionally along with
+> the byte offsets into the file
+
+- Display file in octal format with the byte offsets in octal as well :
+
+`od --address-radix=o --format=o    -v  {{/path/to/file}}`
+
+- Display file in hexadecimal format with byte offsets in hexadecimal, 4 bytes per line with each entry 1 byte long :
+
+`od --address-radix=x --format=x1  --width=4 -v   {{/path/to/file}}`
+
+- Display only printable strings of at least 5 characters long in the file along with the byte offsets in hexadecimal :
+
+`od --address-radix=x --string=5  -v  {{/path/to/file}}`
+
+- Read only first {{number_of_bytes}}  bytes of a file and display it in the hexadecimal format:
+
+`od --address-radix=x --format=x  --read-bytes {{number_of_bytes}} -v  {{/path/to/file}}`
+
+- Display file in hexadecimal format along with its character representation, also do not print byte offsets:
+
+`od --address-radix=n --format=xz    -v {{/path/to/file}}`
+