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16. Computer Systems Basic Software 2
- 1. Part2: Computer Systems Chapter 2: Basic Software
- 6. File Concept
- 18. Failure Management Normal operation Retry Malfunction System reconstruction Malfunction Normal operation Failure management program Failure management program The failure circumstances are recorded The location where the failure occurred is separated Instruction retry and failure management program
- 21. Operating System System disk Printer System constants and parameters Interrupt handler routines Command processor I/O Control system File system Transient area The components of a typical microcomputer operating system Resident operating system
- 36. Unix Family Tree UNICS (Uniplexed Operating and Computing System) 7 th Edition [1978] BSD (Berkeley Software Distribution) [1969] 5 th Edition [1973] 6 th Edition [1976] SVR5 (System V) [1979] [1983] Sun OS 5.x/Solaris HP HP-UX IBM AIX SGI IRIX DEC Digital UNIX (formerly OSF/1) Sun OS 4.x DEC Ultrix Canon NextStep Apple OS X
- 38. Unix Cold Boot Power-On Self Test (POST) Probing the bus for boot device ROM Reading the boot program Read in the boot kernel Initialize the system Start dummy system processes Start init Execute startup scripts
- 43. Unix Structure Shell File System Kernel Device Drivers Process Memory
- 44. Unix Commands UNIX DOS REMARKS tar1 backup tape archive cd cd change directory fsck chkdsk file system check clear cls clear screen cmp compare compare files cp copy copy a file date date set/show date and time rm del remove a file ls dir list directory grep find global regular expression print format format format disk mkdir md make directory more more show file page at a time lp print line printer rmdir rd remove directory set set show/set environment variables sort sort sort a file cat type concatenate a file
- 56. Win2K
- 59. Windows .Net Boot-up Power On Bootstrap Loader Load OS & Device drivers Launch startup Power-On Self Test Reset Initialize hardware
- 70. OS X Interface
Notas del editor
- Instruction Retry A function that automatically retries the execution of an instruction when a malfunction occurs Failure Management Program Records the failure circumstances, (if malfunction repeats) isolates location where failure occurred and reconstructs the system
- Refer to Text Page 109 & 110 for MVS Configuration and it’s Characteristics
- Refer to Text Page 110 & 111 for UNIX Configuration and it’s Characteristics
- Refer to Text Page 111 & 112 for Windows Configuration and it’s Characteristics
- Linux - a Unix-like operating system named for its author, Linus Torvalds. Linux was designed to provide personal computer users a free or very low-cost operating system comparable to traditional and usually more expensive UNIX systems. Although copyrights are held by various creators of Linux's components, Linux is distributed using the Free Software Foundation's copyleft stipulations that mean any copy is in turn freely available to others. Unlike Windows and other proprietary systems, Linux is publicly open and extendible by contributors. It is considered fast and reliable as both a Web server and a workstation and runs on many different kinds of hardware, including the Alpha, Amiga, Atari, IBM, Intel, PowerPC/Macintosh, SGI, and Sun Sparc platforms. Some vendors do sell collections, or distributions, of the Linux kernel, plus Linux drivers, applications, and utilities for a price. Linux is sometimes suggested as a possible publicly-developed alternative to the desktop predominance of Microsoft Windows. Although Linux is popular among users already familiar with UNIX, it remains far behind Windows in numbers of users.
- NetWare, made by Novell, is the most widely-installed network server operating system . Initially very successful in installing its products in large and small office local area networks (LANs), Novell has redesigned (or at least refeatured) NetWare to work successfully as part of larger and heterogeneous networks, including the Internet. NetWare's primary competitor is the Microsoft Windows NT operating system.