<div>
I think you might be confused.<br />
<br />
Allocating space is something you would do during partitioning. &nbsp;You'd do partitioning before you install Linux. &nbsp;But it appears Linux is already installed. &nbsp;Unless you want to reinstall Linux, you should leave the partition table alone.<br />
<br />
Which Linux distribution are you using?<br />
<br />
Why are you trying to have a 15G limit, a 4G limit and another 4G limit? &nbsp;(There are good reasons but I want to know your reason.)
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I think you might be confused.

Allocating space is something you would do during partitioning.  You'd do partitioning before you install Linux.  But it appears Linux is already installed.  Unless you want to reinstall Linux, you should leave the partition table alone.

Which Linux distribution are you using?

Why are you trying to have a 15G limit, a 4G limit and another 4G limit?  (There are good reasons but I want to know your reason.)

<div>
Well it is a Linux 6.1 32bit installed on a vmware<br />
<br />
I am going to Oracle 11gr2 <br />
ORACLE_BASE: &nbsp;/u00/app/oracle &nbsp;as base<br />
ORACLE_HOME: /u00/app/oracle/product/11<wbr />.2.1<br />
I want to use the spaces for the control files datafiles, logfiles ,FRA, and rman<br />
<br />
I can reinstall the linux on vmwre. <br />

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Well it is a Linux 6.1 32bit installed on a vmware

I am going to Oracle 11gr2
ORACLE_BASE:  /u00/app/oracle  as base
ORACLE_HOME: /u00/app/oracle/product/11.2.1
I want to use the spaces for the control files datafiles, logfiles ,FRA, and rman

I can reinstall the linux on vmwre.


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<div class="content wysiwyg-content">
#df -h<br />
filesystem &nbsp; &nbsp; &nbsp; Size &nbsp; Used &nbsp; &nbsp; &nbsp;Avail &nbsp; &nbsp; Use% &nbsp; Moiunted on<br />
/dev/sda2 &nbsp; &nbsp; &nbsp; &nbsp;30G &nbsp; &nbsp;3G &nbsp; &nbsp; &nbsp; &nbsp;27G &nbsp; &nbsp; 10% &nbsp; &nbsp; &nbsp;/<br />
tmpfs &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 504M &nbsp;272K &nbsp; &nbsp;504M &nbsp; &nbsp;1% &nbsp; &nbsp; &nbsp; /dev/shm<br />
/dev/sda1 &nbsp; &nbsp; &nbsp; &nbsp; 291M &nbsp;30M &nbsp; &nbsp; &nbsp;247M &nbsp; 11% &nbsp; &nbsp; &nbsp;/boot<br />
<br />
I need to create &nbsp;the /dev/sda2 in to 3 sub directories of 15G,4G and 4G.<br />
How can I achieve that task<br />
<br />
mkdire &nbsp;command create the directory but how to allocate a space to the directory.
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#df -h
filesystem       Size   Used      Avail     Use%   Moiunted on
/dev/sda2        30G    3G        27G     10%      /
tmpfs               504M  272K    504M    1%       /dev/shm
/dev/sda1         291M  30M      247M   11%      /boot

I need to create  the /dev/sda2 in to 3 sub directories of 15G,4G and 4G.
How can I achieve that task

mkdire  command create the directory but how to allocate a space to the directory.

linux

Linux is a UNIX-like open source operating system with hundreds of distinct distributions, including: Fedora, openSUSE, Ubuntu, Debian, Slackware, Gentoo, CentOS, and Arch Linux. Linux is generally associated with web and database servers, but has become popular in many niche industries and applications.