fdisk: refresh (#6196)

pages/linux/fdisk.md

@@ -6,8 +6,32 @@
 
 - List partitions:
 
-`fdisk -l`
+`sudo fdisk -l`
 
 - Start the partition manipulator:
 
-`fdisk {{/dev/sdX}}`
+`sudo fdisk {{/dev/sdX}}`
+
+- Once partitioning a disk, create a partition:
+
+`n`
+
+- Once partitioning a disk, select a partition to delete:
+
+`d`
+
+- Once partitioning a disk, view the partition table:
+
+`p`
+
+- Once partitioning a disk, write the changes made:
+
+`w`
+
+- Once partitioning a disk, discard the changes made:
+
+`q`
+
+- Once partitioning a disk, open a help menu:
+
+`m`