07-25-2011
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi,
I recently joined this forum and new to UNIX.
Is there any difference between UNIX operating system and UNIX open server? Please explain. (1 Reply)
Discussion started by: Manjit
1 Replies
2. Shell Programming and Scripting
hi guys
wht is the difference between these two command in bash shell scripting
$var1=world!
$echo hello $var1
$echo "hello $var1" (8 Replies)
Discussion started by: srinivas2828
8 Replies
3. Shell Programming and Scripting
So in my shell i execute:
{ while true; do echo string; sleep 1; done } | read line This waits one second and returns.
But
{ while true; do /bin/echo string; sleep 1; done } | read line continues to run, and doesn't stop until i kill it explicitly.
I have tried this in bash as well as zsh,... (2 Replies)
Discussion started by: ulidtko
2 Replies
4. UNIX for Dummies Questions & Answers
Bit of a weird one i suppose, i want to use an echo inside an echo... For example...
i have a script that i want to use to take users input and create another script. Inside this script it creates it also needs to use echos...
echo "echo "hello"" >$file
echo "echo "goodbye"" >$file
... (3 Replies)
Discussion started by: mokachoka
3 Replies
5. Homework & Coursework Questions
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
I have a question about the difference between a host and an end system. I have read a textbook and I am still... (2 Replies)
Discussion started by: greenesses
2 Replies
6. UNIX for Dummies Questions & Answers
HI Guru's
Can any one explain me the difference between a system console and a ILOM (SC).
Thanks in Advance.
RK :) (4 Replies)
Discussion started by: rama krishna
4 Replies
7. UNIX for Dummies Questions & Answers
My Linux system was last rebooted few hours ago.
But it seems little confusing for me to figure out the exact reason behind it.
I guess following command should justify what i meant to say.
# date
Wed May 11 13:22:49 IST 2011
# last | grep "May 10"
reboot system boot 2.6.18-194.el5 ... (5 Replies)
Discussion started by: pinga123
5 Replies
8. Programming
hello all,
i'm a beginner in linux programming. I need to know what is the difference between system calls and normal functions like fopen, fread etc in C?Also how to set permissions by using open system call? (11 Replies)
Discussion started by: aarathy
11 Replies
9. Shell Programming and Scripting
I came across and unexpected behavior with redirections in tcsh. I know, csh is not best for redirections, but I'd like to understand what is happening here.
I have following script (called out_to_streams.csh):
#!/bin/tcsh -f
echo Redirected to STDOUT > /dev/stdout
echo Redirected to... (2 Replies)
Discussion started by: marcink
2 Replies
10. UNIX for Dummies Questions & Answers
Hi guys,
Been messing around with shell programming for a couple of days and I found something that was pretty odd in the behavior of the echo command. Below is an example-:
When I type the following in my /home directory from my lxterminal in Debian-:
echo "`ls -l`"
I get the... (2 Replies)
Discussion started by: sreyan32
2 Replies
echo(3XCURSES) X/Open Curses Library Functions echo(3XCURSES)
NAME
echo, noecho - enable/disable terminal echo
SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib
-R /usr/xpg4/lib -lcurses [ library... ]
c89 [ flag... ] file... -lcurses [ library... ]
#include <curses.h>
int echo(void);
int noecho(void);
DESCRIPTION
The echo() function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control soft-
ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.
RETURN VALUES
Upon successful completion, these functions return OK. Otherwise, they return ERR.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |Unsafe |
+-----------------------------+-----------------------------+
SEE ALSO
getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)
SunOS 5.10 5 Jun 2002 echo(3XCURSES)