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Top Forums UNIX for Dummies Questions & Answers Help needed to understand partitions in linux Post 302415695 by Celtic_Monkey on Friday 23rd of April 2010 06:47:21 AM
Old 04-23-2010
Quote:
Originally Posted by pinga123
Does this means if i have 2 gb as my physical memory space and if i allocate tmpfs 1 gb then i can only use 1 gb of my physical memory?
Instead of allocating a fixed amount of memory for exclusive use as a file system, tmpfs file system
is dynamic depending on use, allowing the system to decide the optimal use of memory

physical memory gets reduced and then your into the realms of swapping / swap space etc

Last edited by Celtic_Monkey; 04-23-2010 at 08:16 AM..
 

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ADDPART(8)                                                     System Administration                                                    ADDPART(8)

NAME
addpart - tell the kernel about the existence of a partition SYNOPSIS
addpart device partition start length DESCRIPTION
addpart tells the Linux kernel about the existence of the specified partition. The command is a simple wrapper around the "add partition" ioctl. This command doesn't manipulate partitions on a block device. PARAMETERS
device The disk device. partition The partition number. start The beginning of the partition (in 512-byte sectors). length The length of the partition (in 512-byte sectors). SEE ALSO
delpart(8), fdisk(8), parted(8), partprobe(8), partx(8) AVAILABILITY
The addpart command is part of the util-linux package and is available from https://www.kernel.org/pub/linux/utils/util-linux/. util-linux January 2015 ADDPART(8)
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