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Shell Programming and Scripting
ssh and redirection
Post 302562247 by Nicol on Thursday 6th of October 2011 10:56:35 AM
10-06-2011
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Here is my problem. I don't know make this redirection thing work. The output file (called output.c) looks like this
#include<stdio.h>
int main()
{
int k;
int m;
print f("%d\n", k);
printf("%d\n", m);
return 0;
}
the input file(called input.c) is this
#include<stdio.h>
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Hi Guys,
I m new to UNIX and new to this forum. Was wondering if someone can help me understand redirection (standard input output pipeline etc)
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I am using the below script to gather various tools running by the user, we have more than 100 tools running on the server so my challenge is to redirect memory & cpu load to the file with the name of the tool.so am using the below script i am stucking how to redirect to the file... (2 Replies)
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explain the redirections 1>, 2>, 3>, .....
and 1< ,2<,3<.....
where we use these things
thanks
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Hi,
I'm running a script which would ssh to various ssh-trust enabled servers and get a list of packages installed. The output of this command would be redirected to a file
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LEARN ABOUT CENTOS
tty
TTY(4) Linux Programmer's Manual TTY(4) NAME
tty - controlling terminal DESCRIPTION
The file /dev/tty is a character file with major number 5 and minor number 0, usually of mode 0666 and owner.group root.tty. It is a syn- onym for the controlling terminal of a process, if any. In addition to the ioctl(2) requests supported by the device that tty refers to, the ioctl(2) request TIOCNOTTY is supported. TIOCNOTTY Detach the calling process from its controlling terminal. If the process is the session leader, then SIGHUP and SIGCONT signals are sent to the foreground process group and all processes in the current session lose their controlling tty. This ioctl(2) call works only on file descriptors connected to /dev/tty. It is used by daemon processes when they are invoked by a user at a terminal. The process attempts to open /dev/tty. If the open succeeds, it detaches itself from the terminal by using TIOCNOTTY, while if the open fails, it is obviously not attached to a terminal and does not need to detach itself. FILES
/dev/tty SEE ALSO
chown(1), mknod(1), ioctl(2), termios(3), console(4), tty_ioctl(4), ttyS(4), agetty(8), mingetty(8) COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. Linux 2003-04-07 TTY(4)