How to install Windows and Ubuntu dual systems

0 I just came to the laboratory these days. After getting my senior's computer, I installed the system first. I will briefly record the process below.

1 Reinstall the system: windows (Win7)

1.1 Download tools such as Dabaicai/Laomaotao and make the U disk into a boot disk

1.2 Download the windows system image file Insert the U disk into the U disk

1.3 Insert the U disk into the host computer to be installed, boot into the BIOS (different computers have different entry methods, usually press del after booting), find the first startup item, and change the hard disk to U disk, restart.

1.4 Enter the relevant interface, select the image file in the U disk, then select the corresponding partition, install, and restart after completion.

1.5 Download the windows system activation tool, office, office activation tool, and install and activate it accordingly (escape

2 Install Linux (Ubuntu16.04) on the basis of windows)

2.1 First, make a free partition in the disk partition under Windows

2.2 Download the floppy disk and the Ubuntu image file

2.3 Use the floppy disk to write Ubuntu. U disk

2.4 Insert the U disk, enter the BIOS and set the first boot item to the U disk, restart

2.5 Enter the Ubuntu installation interface, and select the free partition. Use /, /home, /boot, swap as mount points to partition

/boot: boot partition, divided into 200M

Swap: swap space (equivalent to virtual memory), divided into memory the same The size of

is divided in half. The root directory / must be mounted. Directories that are not specifically designated as partitions will be placed in the same partition as the root directory.

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PS: Partitioning should be based on actual needs. For example, when the computer is used as a server, the changed files are usually located in /var, so /var should plan enough space; when used as a daily application, /home It has become the directory that takes up the most capacity in the storage media, so /home needs to be enlarged; if a large number of software will be installed on the computer, you may need to increase the space of /usr.

2.7 Install after partitioning. After completion, restart and find that you have entered Windows directly. Download easyBCD, add startup items to repair, and restart again to see two systems .

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