86+ - Advanced Memory Diagnostic Tool. Finnix. Partitioning-EN-Standard-partitioning-tools. About SystemRescueCd comes with many disk and partitioning tools. This section will give you a good idea of which ones you should use, and what they can do. Of course, all of these tools are free software for Linux and you don't have to pay to use them. It's recommended to read the Introduction to partitioning as well as the section about Partitions attributes first. Fdisk and Gdisk fdisk is a primitive disk partitioning tool. Fdisk displays the partitions in either disk sectors or disk cylinders units, which makes it quite difficult to know what the real size of a partition size is in terms of Giga-Bytes. fdisk only allows you to create and manipulate partition tables, it won't do anything with the contents of the partition.
Changes are not committed immediately with fdisk. Fdisk is not the best tool if you want to create new partitions on your disk. Fdisk can also be used to resize partitions when Parted/GParted are not able to do that. Gdisk is the equivalent of fdisk for GPT disks. Boot-Repair. Boot-Repair is a simple tool to repair frequent boot issues you may encounter in Ubuntu like when you can't boot Ubuntu after installing Windows or another Linux distribution, or when you can't boot Windows after installing Ubuntu, or when GRUB is not displayed anymore, some upgrade breaks GRUB, etc.
Boot-Repair lets you fix these issues with a simple click, which (generally reinstalls GRUB and) restores access to the operating systems you had installed before the issue. Boot-Repair also has advanced options to back up table partitions, back up bootsectors, create a Boot-Info (to get help by email or forum), or change the default repair parameters: configure GRUB, add kernel options (acpi=off ...), purge GRUB, change the default OS, restore a Windows-compatible MBR, repair a broken filesystem, specify the disk where GRUB should be installed, etc.
Boot-Repair is a free software, licensed under GNU-GPL. 1st option : get a disk including Boot-Repair 2nd option : install Boot-Repair in Ubuntu. Boot-repair-disk / Home / Home. Documentation | Ubuntu Rescue Remix. Boot-Repair. Ubuntu Rescue Remix | The Rescue Remix provides a Free-Libre Open-Source data recovery software toolkit based on Ubuntu.