07-28-2013
Quote:
Originally Posted by
sachinteotia
Hii friends,
Actually, I am a beginner in shell scripting. I am trying to run a master .sh file. The master .sh file will open 2 different terminals and then run .sh file on first terminal, an executable file in second terminal.
We, the beginners, can learn a lot if the "gurus" like you will help us.
Thanks in advance
If you would show us what you've tried, explain in detail what you want the two "terminals" to do, and explain what is happening with your current script; we would have a much better chance of helping you. The statement you have made so far is so vague that we don't really have any idea how to help you.
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PTY(4) BSD Kernel Interfaces Manual PTY(4)
NAME
pty -- BSD-style compatibility pseudo-terminal driver
SYNOPSIS
device pty
DESCRIPTION
The pty driver provides support for the traditional BSD naming scheme that was used for accessing pseudo-terminals. When the device
/dev/ptyXX is being opened, a new terminal shall be created with the pts(4) driver. A device node for this terminal shall be created, which
has the name /dev/ttyXX.
New code should not try to allocate pseudo-terminals using this interface. It is only provided for compatibility with older C libraries that
tried to open such devices when posix_openpt(2) was being called.
FILES
The BSD-style compatibility pseudo-terminal driver uses the following device names:
/dev/pty[l-sL-S][0-9a-v] Pseudo-terminal master devices.
/dev/tty[l-sL-S][0-9a-v] Pseudo-terminal slave devices.
DIAGNOSTICS
None.
SEE ALSO
posix_openpt(2), pts(4), tty(4)
HISTORY
A pseudo-terminal driver appeared in 4.2BSD.
BUGS
Unlike previous implementations, the master slave device nodes are destroyed when the PTY becomes unused. A call to stat(2) on a nonexistent
master device will already cause a new master device node to be created. The master device can only be destroyed by opening and closing it.
The pty driver cannot be unloaded, because it cannot determine if it is being used.
BSD August 20, 2008 BSD