HowTo: Linux Mount devpts File System On /dev/pts

in Categories , , , last updated December 4, 2012

How do I mount the devpts file system under Linux operating systems using bash command prompt? How can I mount the devpts on /dev/pts using /etc/fstab file under Linux operating systems?

The Linux kernel support pseudo-terminal master and slave (also known as Unix98 pty naming) using using the devpts file system, that should be mounted on /dev/pts. You can mount the devpts using any one of the following method:

[1] Use mount comamnd

[2] Use /etc/fstab file.

mount command syntax

The syntax is (must type as root user):

mount -t devpts devpts /dev/pts

/etc/fstab syntax

Edit /etc/fstab, enter:
# vi /etc/fstab
Append the following line:

devpts           /dev/pts              devpts  gid=5,mode=620  0 0

Save and close the file. Reboot the server / machine.

How do I verify that the devpts is mounted under Linux?

Type the following command:
$ grep --color devpts /proc/mounts
$ mount | grep --color devpts

Fig.01: Mounting the devpts file system on /dev/pts
Fig.01: Mounting the devpts file system on /dev/pts

Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin and a trainer for the Linux operating system/Unix shell scripting. He has worked with global clients and in various industries, including IT, education, defense and space research, and the nonprofit sector. Follow him on Twitter, Facebook, Google+.

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