The free space of your partition will be increased after the operation.
(As of this writing, the Linux 2.6 kernel supports on-line resize for filesystems mounted using ext3 and ext4.). In this post, I will discuss how to shrink an ext file system on a LVM logical volume (LV). This is an easy way for some system where you are unable to unmount root partition and the system can be recovered easily if something goes wrong like for example AWS instance. (this is not mandatory and is sometimes missed). Resize primary partition shrink and extend ... 2 easy methods to extend/shrink resize primary partition in Linux. 1. if you increase partition size, you can also grow the filesystem to use that size. If the filesystem is mounted, it can be used to expand the size of the mounted filesystem, assuming the kernel supports on-line resizing. Step 2. Qualified Answer : Yes, you can shrink or grow the partitions. Short answer : Yes. This article will focus on how to resize EXT4 root partition without unmount.

Provided by: e2fsprogs_1.42.13-1ubuntu1_amd64 NAME resize2fs - ext2/ext3/ext4 file system resizer SYNOPSIS resize2fs [ -fFpPM] [ -d debug-flags] [ -S RAID-stride] device [ size] DESCRIPTION The resize2fs program will resize ext2, ext3, or ext4 file systems. I find the first paragraph of the resize2fs manpage most interesting for the initial question: The resize2fs program will resize ext2, ext3, or ext4 file systems. To resize partition Windows 10 with Disk Management, you can follow the steps as below. It can be used to enlarge or shrink an unmounted file system located on device. Here you can see how to online resize your root ext4 file system. Recently i installed Ubuntu 13.04 and allocated 20 GB for it. In Extending a Mounted Ext4 File System on LVM in Linux, we introduced how to extend a mounted ext4 filesystem on LVM Logical volume by adding a new physical volume.It is also common to shrink an ext4 file system as to spare some disk space. Step 1. The resize2fs man page says: If the filesystem is mounted, it can be used to expand the size of the mounted filesystem, assuming the kernel supports on-line resizing. The size of the root file system will grow not to shrink.

Select the partition you want to resize and right-click, choose Extend Volume feature or Shrink Volume feature to resize the partition. Right-click the Windows Start menu and choose Disk Management.
Now, can i shrink it to 10 GB without formatting it?

The system got installed space less than 10 GB.