[unix] Forum Topics

Having trouble dual booting Windows and BSD? I was! I highly recommend using EasyBCD to add in an entry to the windows boot loader. I couldn't get the Windows bootloader to recognize bsd, but using this I could! I am not affiliated with the company, but it has done me …

Why virus only attacks to windows operating systems and not to Unix operating systems?

Hi, Can you please suggest me to how to execute .profile from perl script. I have following unix script steps & just wanted replicate them in perl script to make sure I'm executing .profile. . ~/.profile echo $SHELL

I've recently created a .dll project in Visual Studio using C++. I'm curious how Visual Studio is creating the ability to link the files. I got everything working properly but it seems I can get the project to work flawlessly regardless of where the .dll file is located. Once the …

here is the problem: Write a C/C++ program (call it string invert) that takes a string argument from the command line and outputs the string in reversed order. Here comes the twist: Each process can output at most one character. If you want to output more than a single character, …

I need help writing a c program to run in Unix that uses pthread library to create a thread that computes the fibonacci numbers. I should provide a parameter to the thread indicating which fibonacci number to return and use pthread_join to wait and collect the returned value and lastly …

Hi, I am new to Unix environment. Any one can explain how I can set CRON job to run PHP script. Thanks.

Hi there. I've just written an extremely simple cross-platform wrapper for posix threads. I compiled it on unix and it compiles with no errors. The windows side... not so pretty. I'm using MinGW. gcc compiles fine but throws a couple of warnings at me (I'll explain in a bit.) g++ …

What is the difference between Binary Semaphore & Counting Semaphore? What will be situation to prefer one from both of them?

Hi :). I use this code to create a file: #include <cstdlib> #include <fstream> using namespace std; int main () { ofstream file("main/articles/giraffe/article.txt", ios::out); file.close (); return 0; } How can I simplify **create path of folders** (on **unix system**) "main/articles/giraffe/" - if folder "main" doesn't exist? With using standard …

Ok I started writing this program for a school project in Eclipse in windows and now shifting to vim in UNIX and I am getting a bunch of errors. I am currently trying to figure out the top two errors (And yes the funky characters are what I see). Here …

Hi, my project works with emulating the file system. I can invent my own as well. I'm developing a unix like shell which will provide all the file handling commands similar to unix. Basically I want to allocate a large file on the actual file system, and treat it as …

the structure of windows and UNIX

Hi, on a linux machine, what command do I have to type to set up the netmask? And apparently I've heard there is a route command that also has to be input which is something else I don't know about. Can anyone tell me the commands and why it is …

Basically, am creating a mailer system to send a mail to my inactive members to do activities in their account if they have not logged in since 30 days. My previous login date stores in my database in unixtimestamp hence i coded as below. select email from myusers where WHERE …

So I have an assignment where I am supposed to create an oop that will run on a provided Unix server. I have a Mac so when I run the makefile in Terminal, I don't get any errors. But when I try to run the makefile in the provided Unix …

I need to take difference between two dates in normal date format like "2012-03-30 17:21:33.027" using time_t..previously i was using unix timestamp so i used data type long int...but i need to know how to compare using time_t... plz help.....

Without root password how can we create user account with administrative priveleges?..

Hi everybody! Help me please to figure out the comand that I need to use to find a file and open it at same time for example: root@serg-PORTEGE-Z835:~# locate bash_profile /usr/share/doc/adduser/examples/adduser.local.conf.examples/skel/dot.bash_profile and lets say I want to open this file, but I don't want to use cd and go all …

I Want To Make A Utility Like The Old DOS Command "rdisk" In C++. The Things I Want It To Be Able To Do Are: WIN: Be Able To Specify The Drive Letter (Like rdisk's /:Z) UNIX: Be Able To Specify The Mount Point (/mnt/rdisk or /media/somthing, etc) BOTH: Make …

I need help figuring out how to count sentences from a .txt file. The following guild lines are what is considered to be a sentence: 1. A TERMINATOR followed by two spaces 2. A TERMINATOR followed by one space and end-of-line 3. A TERMINATOR followed by end-of-line 4. A TERMINATOR …

My simple Serial Port code doesnt work. Not sure if its my code, or my USB adapter. Can someone try it / tell me what ive done wrong? [code] #include <stdio.h> /* Standard input/output definitions */ #include <unistd.h> /* UNIX standard function definitions */ #include <fcntl.h> /* File control definitions …

I have written a very simple bash script that runs on Solaris10. It runs a command and then sends me the output via mailx. I can run it at the command line (sudoed as root) and it runs perfectly fine. I then set it up to run from root's cron. …

I have written a very simple bash script that runs on Solaris10. It runs a command and then sends me the output via mailx. I can run it at the command line (sudoed as root) and it runs perfectly fine. I then set it up to run from cron. I …

Hey guys, I'm new in Linux/Unix and just whant to figure out one simple thing: So lets say I wrote my c program in vi in Linux, and whant it to be on the unix server. When I'm trying to just copy and paste text from vi. It apperas in …

Hey guys, I have the idea of creating a custom Java terminal, I know what I need to do for commands, etc, but I have no idea on how to style it like someone would with a UNIX terminal/Windows Command Prompt, or prompt it so that whenever a new line …

can some body expaly me this command [CODE]sed -e 's/<[^>]*>//g' test > test.t [/CODE] thank you

So I have a matrix class that must run on a unix/linux server. The main is a test file that is provided by the instructor. When I compile my code in visual studio it works fine except for test 8 because I can't figure out how to return a print …

I have a requirement to copy files from a temporary file directory to a unix file system using scp. Please provide me a sample code for this

I'm writing a tcp server and client program in C on linux. It compiles and works under linux, but when I try to compile it using terminal under mac I get errors. If somebody knows why I would appreciate telling me. Any way I have most of the program done, …

So I am sorta interested in viruses. No, I do not plan to make the next conficker or even something that will trash my brothers PC. But I want to learn about how they work. What they do that makes PC's let them into their system... So for a first, …

Hi Everyone, I need a replace a string (ex : this) with the string (ex : that) in each line of a file (sample.txt) using a C Shell Script and I am not allowed to use sed,awk and replace command in the unix , So i tried to use tr …

Alright guys, I've been trying to think how to do this and I keep confusing myself. It's part of a project using piping in UNIX but first I need to get this small program running properly. I want to pass the final result (Hex value) to another program that will …

Im writting a very simple command-line. I want the > Charecter to come up every time a command ha finished what it's doing (easy) AND when the user presses enter with nothing on it. For example ($ is currssor) I want this: [CODE]> >$[/CODE] Not this: [CODE]> $[/CODE] How would …

I am going to assume that gcc is the compiler people are using on their *NIX. so for that, I know that [CODE]#if defined(__GNUC__) [/CODE] will work. SO... for Centos, Solaris, HPUX, AIX, Linux, BSD, FreeBSD, OpenSUSE, Fedora, redhat, what #if defined()'s do I use to detect these OS's?

Can Anyone explain about how to establish a connection to a same server with different private/rsa/identity using identity file.

hi! What is makefile? How does it work? Is it done in the terminal? I am using Unix OS

I have a directory named action at the same level as my basic script. I want to include a file called Upload which is in the action directory in my script. I keep getting errors saying the script can't find my file, but my script looks identical to the book. …

Shell Script Tasks This is a homework assignment to create the below described shell scripts. I need the scripts so I can complete my university education. If you would like to help me and can create these scripts, please send them in a zip or rar file to my email: …

Hi ALL, Can any one suggest me on below requirements with less memory and cpu time. I have used below code and seems it is not efficient for huge files. fgrep -v -f file2 file1 >file3 This will output file3 containing all lines from file1 that are not in file2. …

I'm trying to write an echo like thing doing this : [CODE]> echo Muffins Muffinst > echo two muffins two muffins[/CODE] The problem Is that the program isn't being started from command line, The > is my programs input prompt (trying to write a very simple command line) How would …

I am working on a website where I have 2 php pages. 1st page: addfb.php 2nd page: fbadded.php Now, "addfb.php" contains a form with a text field and a submitt button with form action method set to "fbadded.php" Now whenever I click submit button on addfb.php, instead of going to …

I don't know how many of you all know about this already. But I found this pretty interesting. Check it out : [URL="http://www.gnu.org/fun/jokes/unix-hoax.html"]http://www.gnu.org/fun/jokes/unix-hoax.html[/URL] Enjoy..:P :-O :D

[CODE] main() { char *p="dcis"; while(*p++!='\0'); printf("%s",p); } [/CODE] Why this is printing %s in my unix box with gcc 4.6.1 ?

Hi, I have to run purecov with purify in unix. What is the command to run both together in a single line?? What options have to be set for purify and purecov?? Please suggest me some solution... Thanks, GJ

Hello, Can someone tell me the equivalent perl script/command for following unix command: sort -t"|" -k1,1 -T '/temp' input.txt > output.txt Here, I want mention different physical directory for temprary sort file storage. like - T in unix shell command. In other word, How to mention different workspace directory in …

Hello, I need the answers for these questions please. Thank you very much. 51. What is the major number for LVM DSFs using disk layout 1? A. 32 B. 64 C. 128 D. 256 52. If vg05 has two logical volumes created using the default naming convention, overall, how many …

Hi, I'm pretty new with the R language. I'm just trying to get familiar with R and wrote a script in gedit (should I use emacs instead?), [CODE] x <- [10.4 5.6 3.1 6.4 21.7] y <- [12,5.6, 7.2, 1.0, 9.3] plot(x,y) [/CODE] then I went to the command window …

Where are the function bodies to functions like socket,bind,accept, etc??... Using the c socket network programming for unix based systems, we use the api, but where are the function bodies to these functions. Im doing network programming, and I fill in the socket functions, bind, accept, write, read, etc, but …

Hi everybody, Do you think that linux and other unix os will dominate over microsoft ? Thanks