Unix is a multitasking, multi-user computer operating system originally developed in 1969.
-1
votes
0answers
68 views
Linux/Unix programming book or tutorial for begginers? [closed]
I'm currently a junior student major in Computer Science. I am looking for an internship this summer but mostly in the job descriptions, they require "Experience developing on or using the Linux ...
0
votes
3answers
77 views
How to manage intermediate outputs efficiently?
I am implementing a C preprocessor in C...
I have the three functions:
trigraph replacing function
Line splicing function
comment removing function
However these functions work separately on ...
0
votes
1answer
78 views
Unix development self-tuition; books and getting started [closed]
I'm a professional Java EE programmer and also develop in Objective-C for iOS.
I want to move into Unix development, starting on applications and maybe moving into drivers or Kernel later. I'm ...
2
votes
3answers
469 views
Lowercase in Linux file names
As I find that UpperCase are really readable for first letter word separation in long complex names, I tend to give some of my Linux files names with some UpperCase. Mostly executables, some ...
1
vote
1answer
217 views
Round Robin - how to determine the optimal quantum of time?
I have to calculate the proper quantum of time for Round Robin process scheduling algorithm. As I read in Tanenbaum's book, the quantum of time should cover like 80% of the running time of all ...
79
votes
10answers
18k views
Is Ken Thompson's compiler hack still a threat?
Ken Thompson Hack (1984)
Ken Thompson outlined a method for corrupting a compiler binary (and other compiled software, like a login script on a *nix system) in 1984. I was curious to know if modern ...
-2
votes
1answer
117 views
C Minishell Command Expansion Printing Gibberish
I'm writing a unix minishell in C, and am at the point where I'm adding command expansion. What I mean by this is that I can nest commands in other commands, for example:
$> echo hello $(echo ...
0
votes
2answers
96 views
Parsing stdout with custom format or standard format?
To integrate with other executables, a executable may launch another executable and capture its output from stdout.
But most programs writes the output message to stdout in custom format and usually ...
3
votes
1answer
132 views
Is this possible to re-duplicate the hardware signal on Linux?
Since that every things is a file on the UNIX system. If I have a hardware, for example, a mouse, move from left corner to right corner, it should produce some kinds of file to communicate with the ...
-3
votes
1answer
430 views
Is Unix/Linux adoption a measure of developer skill? [closed]
Is Linux/Unix based OS adoption for development (or recreation) a rough measure of the awareness, adaptability and/or skill of a developer, after considering factors like learning curve for effective ...
3
votes
3answers
307 views
What are the options for setting up a UNIX environment to learn C using Kernighan and Richie's The C Programming Language?
I'm a novice programmer and have been experimenting with Javascript, jQuery and PHP but felt I wasn't getting a real depth of understanding of what I was doing. So, after reading Joel Spolsky's ...
3
votes
1answer
169 views
Is it possible to call an ASPX from UNIX shell script
I want to call an ASPX page from a UNIX script running on a separate server from the ASP Web Server and send the ASPX page information in the URL. Is this possible? If so, what is the script command ...
2
votes
2answers
197 views
Need some advice on CLI design, I need to provide simple but powerful command line options
I am writing a utility that runs on RHEL5 command line. I need my command line options to be simple but powerful. I looked at the various UNIX utilities to get an idea of how simple command line ...
3
votes
3answers
1k views
Why most use Cygwin and not Uwin?
Most academic researchers I know target just *nix, and rely on Cygwin to make their applications available on Windows. I have tried many of these projects and always found them too unstable for ...
12
votes
3answers
703 views
Why is the “kill” command called so?
Why was it decided to call the kill command "kill"?
I mean, yes, this utility is often used to terminate processes, but it can actually be used to send any signal.
Isn't it slightly confusing? Maybe ...
