'File descriptor table' diaporamas de présentation

UNIX FILES

UNIX FILES. FILE TYPES. Regular file Directory file Fifo file Character device file Block device file. Regular file. It may be text or binary file Both the files are executable provided execution rights are set They can be read or written by users with

1.19k views • 119 slides

ch04: UNIX I/O

ch04: UNIX I/O. Ju, Hong Taek Computer Network Lab. Keimyung University juht@kmu.ac.kr Rm: 1228, Tel: 580-5234. Objectives. Learn the basics of device-independent I/O Experiment with read and write Explore ways to monitor multiple descriptors Use correct error handling

570 views • 40 slides

Introduction to Kernel

Introduction to Kernel. Topics Kernel Architecture File System Process. Reference: The Design of the UNIX Operating System by Maurice J. Bach. kernel Architecture (UNIX). User program. User level. Library. kernel level. system call interface. File Subsystem.

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Introduction to Kernel

Introduction to Kernel. Topics Kernel Architecture File System Process. Reference: The Design of the UNIX Operating System by Maurice J. Bach. kernel Architecture (UNIX). User program. User level. Library. kernel level. system call interface. File Subsystem.

221 views • 21 slides

Sytem Call on File System

Sytem Call on File System. Open Close Read/Write. File System ? ?????. ??? ??? ???? ????? open, read, write, close ??? ??? ???? ????? create, mknod Inode ? ????? ?? ??? ?? ??? ????? chdir, chroot, chown, chmod, stat, fstat ?? pipe, dup mount, umount link, unlink.

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The OS Module (windows and unix)

212 views • 8 slides