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Low level file and device operations

Unbuffered access of files and devices. (ioctl, fcntl, /dev, et al)
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Questions and Answers: Showing

How can I increase the allowable number of simultaneously open files? []

At comp.lang.c FAQ

Unix Programming FAQ How to manage multiple connections? []

At Unix Programming FAQ

Is there any automatic method for creating the device special files in the /dev directory? [ 1999/07/01]

At DaemonNews


Applications and Utilities: Showing

dev_mkdb(8) - create /dev database {oss}

Man pages: FreeBSD NetBSD
Source code: OpenBSD FreeBSD

mknod(8) - build special file {oss}

Man pages: FreeBSD NetBSD
Source code: OpenBSD FreeBSD

Libraries and Components: Showing

dup dup2 (2) - duplicate an existing file descriptor {oss}

Man pages: FreeBSD RedHat Solaris NetBSD

fcntl (2) - file control {oss}

Man pages: FreeBSD RedHat Solaris NetBSD

ioctl (2) - control device {oss}

Man pages: FreeBSD RedHat Solaris NetBSD
p5-Ioctl-0.81 - Perl module that provides a way to get the value of C ioctl constants (At FreeBSD Ports)

lseek (2) - reposition read/write file offset {oss}

Man pages: FreeBSD RedHat Solaris NetBSD

open (2) - open or create a file for reading or writing {oss}

Man pages: FreeBSD RedHat Solaris NetBSD

poll (2) - synchronous I/O multiplexing {oss}

Man pages: FreeBSD RedHat Solaris NetBSD

read readv (2) - read input {oss}

Man pages: FreeBSD RedHat Solaris NetBSD

write writev (2) - write output {oss}

Man pages: FreeBSD RedHat NetBSD

rename (2) - change the name of a file {oss}

Man pages: FreeBSD RedHat Solaris NetBSD

select (2) - synchronous I/O multiplexing {oss}

Man pages: FreeBSD RedHat NetBSD

close (2) - delete a descriptor {oss}

Man pages: FreeBSD RedHat Solaris NetBSD

Ioctl - This module gives your program an easy way of accessing the ioctl (input output control) constants. Only useful on Unix computers.

At PERL

Libraries and Functions

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See also: Stdio Stream file operations - Buffered access of files and devices. fopen, fputc, fgetc, et al.

File Access Limits - Limiting access to files (permissions, locking, et al)

Specific Types of File Systems - Specific forms of file systems. DFS, NFS, MS-DOS, etc.

Up to File System Access - Gateway topic to file system (files and directory) access and operations.

(There may be additional related subject pages listed here)

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