dup2 / dup - why would I need to duplicate a file descriptor?

dup2 / dup - why would I need to duplicate a file descriptor?

c linux operating-system system-calls

linux

Magic numbers of the Linux reboot() system call

linux linux-kernel system-calls

linux

How to write a signal handler to catch SIGSEGV?

c linux system-calls signal-handling mprotect

linux

What is better "int 0x80" or "syscall" in 32-bit code on Linux?

linux assembly x86 system-calls 32-bit

linux

What happens if you use the 32-bit int 0x80 Linux ABI in 64-bit code?

linux assembly x86-64 system-calls abi

linux

Is it true that fork() calls clone() internally?

c linux operating-system system-calls

linux

What is the difference between the functions of the exec family of system calls like exec and execve?

c linux exec system-calls

linux

Why does write continuously leave 4K bytes in the buffer?

c linux system-calls

linux

Where can I find system call source code?

c linux assembly linux-kernel system-calls

linux

How to interpret strace output?

c linux operating-system system-calls strace

linux

How do 32-bit applications make system calls on 64-bit Linux?

c linux performance system-calls

linux

How do I reimplement (or wrap) a syscall function on Linux?

c linux system-calls libc

linux

wait3 (waitpid alias) returns -1 with errno set to ECHILD when it should not

c linux system-calls zombie-process waitpid

linux

What is the purpose of MAP_ANONYMOUS flag in mmap system call?

linux memory memory-management system-calls mmap

linux

How to Dynamically Allocate Memory Using Assembly and System Calls Under Linux

linux assembly system-calls dynamic-memory-allocation

linux