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  1. I have installed Windows 7 with two partitions (C & D drives both have 60GB each)on my 160 GB HDD. Now I want to install Ubuntu 14.4.2 on the unallocated remaining disk space. Please tell me what should be the disk partition for installing Ubuntu on this Intel-i5 system having 4 GB RAM if I opt to install Ubuntu by selecting "something else" option. Also let me know is there any mandatory % of disk space required/specification for allocation of swap,/,/user, /home, etc.

  2. Sometimes, it happens that after installing Ubuntu alongside Windows 7 as dual OS, the boot option menu did not show and can not log in to Windows OS. Tell me please how can I solve this issue

A.B.
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Muraleedharan Nair
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2 Answers2

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Please tell me what should be the disk partition for installing Ubuntu

Whatever you want since we have hardly any restrictions. If you want you can have 1 massive partition named "/" or have 2 partitions 1 named "/" and 1 named "/home" for your personal data.

The only restrictions we have: you must have a partition named "/". All partitions that have system related files (ie. "/" and "/home" except for the user dirs in "/home") need to be formatted in a file system that is POSIX compliant. "ext4" is the current default.

Size can be calculated on how you use your system but 10Gb/15Gb can be enough if you use a "/home" for your personal data. If you want to use mysql for instance your "/" might need a bit more. I hardly reach 10Gb on "/" and use my system with some test databases using mysql.

Sometimes, it happens that after installing Ubuntu alongside Windows 7 as dual OS, the boot option menu did not show and can not log in to Windows OS. Tell me please how can I solve this issue

Community
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Rinzwind
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If you have only 60 GB total space for Ubuntu, I suggest this split:

4 GB for swap

The rest for /

It does not make any sense to have separate / and /home when there is very little space.

This is not related to Windows at all. Just a general recommendation.

Pilot6
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