Managing Solaris OS FileSystem

A Filesystem is nothing but it is a collection of files and directories that make up a structured set of information.Solaris OS supports three different types of Filesystem

1.Disk-Based Filesystem

2.Distributed System

3.Pseudo filesystem

Let us see the types one by one in detail

Disk-Based Filesystem:

These types are found on the harddisks, CDROM’s, DVD, floppy.The following are the examples  of the disk-based filesystem

UFS –Unix File System is the default file system in Solaris OPerating system and it is based on the Berkeley fast filesystem

hsfs – High Sierra file system is a special type of filesystem developed for the use of CDROM’s media

pcfs – PC filesystem is the UNIX implementation of the DOS(Disk Operating System) FAT32 filesystem.The pcfs filesystem it allows the Solaris OS to access the PC-DOS formatted filesystems.It allows the users to use the UNIX commands for direct read and write access to PC-DOS files.

udfs – Universal Disk Formatted Filesystem is used for the optical storage targeted at DVDROM media.This filesystem allows universal data exchange and support read and writes operations.


Distributed Filesystem:

This filesystem it gives the network access to the file system resources

NFS- Network File system allows the users to share the files among many types of system on the network NFS filesystem makes part of the filesystem on one system appear as though it were part of the local directory tree.

Pseudo filesystem: 

These are the memory based filesystem.These filesystems provide for better system performance and also giving access to kernel information.The pseudo file system includes the following

1.tmpfs = The temporary file system stores files in memory, which avoids the overhead of writing to a disk-based filesystem.The tmfs filesystem is created and remob=ved automatically every time the system is rebooted.

2.swapfs = The swap filesystem is used by the kernel to manage the swap space on disks.

3.procfs = It holds the list of ongoing active processes under the /proc directory .all the processes are listed by a process number.all the information from this directory can be fetched with the ps command.

4.mntfs = The mount filesystem provides the read-only information from the kernel about the locally mounted filesystem details.

5.devfs = This filesystem is used to manage the namespace of all devices on the system This file system  is mainly used for the /devices


So in our next article, I will show you how to create partitions in Solaris.

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About Author:

Hello readers! Let me introduce my self first. My name is Vasanth Nirmal Singh J S having 9+ years of experience in IT on all flavours of Unix operating systems ,Storage's and many more .. I would like to share my technical experience i have come across - can be help to other people. So in this blog, I'll post my thoughts related to ITIS. I'll share experiences that I've had while working in different environments. You can expect content related to Unix,Solaris,Linux,EMC Storeages,HP-UX and many others. I hope this blog can be useful for you! Your comments will be appreciated!

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