Partition problems during Ubuntu Installation

Ubuntu is installed on Windows 7. The partition displays three primary partitions. I tried to create a primary partition/partition and a logical partition swap partition, the remaining space becomes "unavailable". google found that a hard disk allowed a maximum of four primary partitions (several consecutive logical partitions counted as one primary partition, /partition and swap partition are both built into logical partitions. In addition, you do not need to set the enable flag for the/partition. The old Linux version requires a separate boot partition.

Ubuntu 12.04 is installed on Windows. Three primary partitions are displayed in the partition. After I try to create a primary partition/partition and a logical partition swap partition, the remaining space becomes "unavailable". google found that a hard disk allowed a maximum of four primary partitions (several consecutive logical partitions counted as one primary partition, /partition and swap partition are both built into logical partitions. In addition, you do not need to set the enable flag for the/partition.

The old Linux version requires a separate boot partition, which is not required by the current Linux version. It does not even require/boot and root ("/") partitions as primary partitions. Besides, you have to install ubuntu12.04. Ubuntu12.04 has grub2, which can handle boot problems well, including MBR. You do not have to install additional software. But according to the principle, because the Linux kernel is in the/boot> directory, if the/boot partition can be in front of the hard disk track, the computer will run faster. I have never done this experiment, so I have no idea what is wrong with putting/boot elsewhere. Is your swap partition 2 GB. Many people have disputes over the swap partition and its size (because the memory of modern computers is very large ). I think 2G should be suitable.

Windows pre-installed computers generally place the files to be restored at the end of the disk track. I'm not familiar with XP one-click restoration. However, the partition installed in Linux may be better. In fact, if you can make good use of the backup mechanism of your system (Linux & Win), one-click restoration may not be necessary.

A Chinese system is installed, but the Startup menu is garbled in shell. Or change the language to English by repairing/etc/default/locale.

Modify the default
LANG = zh_CN.UTF-8
LANGUAGE = zh_CN: zh

Is:
LANG = "en_US.UTF-8"
LANGUAGE = "en_US: en"