Top "System-calls" questions

A system call is used by programs to request services from the operating system's kernel.

System calls on Windows

I just want to ask, I know that standart system calls in Linux are done by int instruction pointing into …

windows system-calls
Linux system call for creating process and thread

I read in a paper that the underlying system call to create processes and threads is actually the same, and …

linux multithreading process system-calls
Which linux system call is used by ls command in linux to display the folder/file name?

I wanted to know which system call is used in linux by the ls command to display the folder's (or …

c linux kernel system-calls ls
How does a system call work

How does system calls work ? What are the operations happen during system call? There are various system call like open , …

c process operating-system system-calls
O_APPEND flag and lseek

Write a program that opens an existing file for writing with the O_APPEND flag, and then seeks to the …

c linux unix kernel system-calls
how could I intercept linux sys calls?

Besides the LD_PRELOAD trick , and Linux Kernel Modules that replace a certain syscall with one provided by you , is …

c linux redirect hook system-calls
compile errors using signal.h in Linux

I'm writing a shell program that must handle signals. My relevant signal handling related code is as follows: #include <…

c linux signals system-calls signal-handling
x86_64 Assembly Linux System Call Confusion

I am currently learning Assembly language on Linux. I have been using the book 'Programming From the Ground Up' and …

assembly 64-bit 32-bit system-calls gnu-assembler
How do system calls work?

I understand that a user can own a process and each process has an address space (which contains valid memory …

compiler-construction process operating-system interrupt system-calls
In an operating system, what is the difference between a system call and an interrupt?

In an operating system, what is the difference between a system call and an interrupt? Are all system calls interrupts? …

operating-system interrupt system-calls