Operating Systems Concepts with Java
... major components of the computer. Because they are a performance bottleneck, performance issues are examined. Matters related to secondary and tertiary storage are explained as well. • Distributed systems: Chapters 15 through 17 deal with a collection of processors that do not share memory or a cloc ...
... major components of the computer. Because they are a performance bottleneck, performance issues are examined. Matters related to secondary and tertiary storage are explained as well. • Distributed systems: Chapters 15 through 17 deal with a collection of processors that do not share memory or a cloc ...
NonStop System Glossary
... Legal Notice Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U.S. Government under vendor’s ...
... Legal Notice Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U.S. Government under vendor’s ...
Chaps_1-13_v5.0
... Setting up a complex UNIX networking environment requires more technical knowledge and sophistication than an equivalent Windows environment (which is why UNIX system administrators make more). This also means that the system administrators will maintain tighter control over the configuration of eac ...
... Setting up a complex UNIX networking environment requires more technical knowledge and sophistication than an equivalent Windows environment (which is why UNIX system administrators make more). This also means that the system administrators will maintain tighter control over the configuration of eac ...
etc/rc.boot
... When the kernel has started itself (has been loaded into memory, has started running, and has initialised all device drivers and data structures and such), it finishes its own part of the boot process by starting a user level program, init. Thus, init is always the first process (its process number ...
... When the kernel has started itself (has been loaded into memory, has started running, and has initialised all device drivers and data structures and such), it finishes its own part of the boot process by starting a user level program, init. Thus, init is always the first process (its process number ...
OS-level Virtualization and Its Applications - ECSL
... inside VMs to protect the integrity of physical machine resources. This is particularly useful in creating a secure computing environment for end users or a honeypot environment to catch malware or attacks. • System migration. As a software implementation of a real machine, a VM can be migrated easi ...
... inside VMs to protect the integrity of physical machine resources. This is particularly useful in creating a secure computing environment for end users or a honeypot environment to catch malware or attacks. • System migration. As a software implementation of a real machine, a VM can be migrated easi ...
Red Hat Enterprise Linux 4 Update 1 EAL4 High Level Design
... of International Business Machines Corporation in the United States, other countries, or both. Linux is a registered trademark of Linus Torvalds. UNIX is a registered trademark of The Open Group in the United States and other countries. Intel and Pentium are trademarks of Intel Corporation in the Un ...
... of International Business Machines Corporation in the United States, other countries, or both. Linux is a registered trademark of Linus Torvalds. UNIX is a registered trademark of The Open Group in the United States and other countries. Intel and Pentium are trademarks of Intel Corporation in the Un ...
Operating systems
... interactive use of a system. The CPU switches rapidly from one user to another. Instead of having a job defined by spooled card images, each program reads its next control card from the terminal, and output is normally printed immediately to the screen. d. Real time. Often used in a dedicated applic ...
... interactive use of a system. The CPU switches rapidly from one user to another. Instead of having a job defined by spooled card images, each program reads its next control card from the terminal, and output is normally printed immediately to the screen. d. Real time. Often used in a dedicated applic ...
Red Hat Enterprise Linux 5 EAL4 High-Level Design Version 1.0.1
... 1.3 Conventions used in this document........................................................................................................1 1.4 Terminology...........................................................................................................................................1 2 ...
... 1.3 Conventions used in this document........................................................................................................1 1.4 Terminology...........................................................................................................................................1 2 ...
SUSE Linux Enterprise Server 10 SP1 EAL4 High-Level Design Version 1.2.1
... 1.3 Conventions used in this document........................................................................................................1 1.4 Terminology...........................................................................................................................................2 2 ...
... 1.3 Conventions used in this document........................................................................................................1 1.4 Terminology...........................................................................................................................................2 2 ...
RHEL High Level Design Version 1.3
... xSeries, zSeries, zArchitecture, and z/VM are trademarks or registered trademarks of International Business Machines Corporation in the United States, other countries, or both. Linux is a registered trademark of Linus Torvalds. UNIX is a registered trademark of The Open Group in the United States an ...
... xSeries, zSeries, zArchitecture, and z/VM are trademarks or registered trademarks of International Business Machines Corporation in the United States, other countries, or both. Linux is a registered trademark of Linus Torvalds. UNIX is a registered trademark of The Open Group in the United States an ...
SLES High Level Design Version 3.16 1
... This document is provided “AS IS” with no express or implied warranties. Use the information in this document at your own risk. This document may be reproduced or distributed in any form without prior permission provided the copyright notice is retained on all copies. Modified versions of this docum ...
... This document is provided “AS IS” with no express or implied warranties. Use the information in this document at your own risk. This document may be reproduced or distributed in any form without prior permission provided the copyright notice is retained on all copies. Modified versions of this docum ...
SLES High Level Design Version 2.25 1
... Intel and Pentium are trademarks of Intel Corporation in the United States, other countries, or both. Other company, product, and service names may be trademarks or service marks of others. This document is provided “AS IS” with no express or implied warranties. Use the information in this document ...
... Intel and Pentium are trademarks of Intel Corporation in the United States, other countries, or both. Other company, product, and service names may be trademarks or service marks of others. This document is provided “AS IS” with no express or implied warranties. Use the information in this document ...
ppt
... °OS convention to simplify software: • Process cannot be preempted by interrupt at same or lower "level" • Return to interrupted code as soon as no more interrupts at a higher level • When an interrupt is handled, take the highest priority interrupt on the queue - may be partially handled, may not, ...
... °OS convention to simplify software: • Process cannot be preempted by interrupt at same or lower "level" • Return to interrupted code as soon as no more interrupts at a higher level • When an interrupt is handled, take the highest priority interrupt on the queue - may be partially handled, may not, ...
file (1.5 MB, ppt)
... into slices (typically 0.1 second) and allocating time slices based on their priorities UNIX shares memory among processes by dividing RAM into equal-sized pages (e.g., 4K bytes) and allocating them; only those pages of a process that are needed in RAM are loaded from disk while pages of RAM that ...
... into slices (typically 0.1 second) and allocating time slices based on their priorities UNIX shares memory among processes by dividing RAM into equal-sized pages (e.g., 4K bytes) and allocating them; only those pages of a process that are needed in RAM are loaded from disk while pages of RAM that ...
What is a file system? - Montana State University
... • User programs access any file system through a consistent API. • All File Systems implement an API which is called by the VFS. ...
... • User programs access any file system through a consistent API. • All File Systems implement an API which is called by the VFS. ...
File System - dhdurso.org index to available resources
... A process is a program in execution. Processes are identified by their process identifier, an integer. Process control system calls – fork creates a new process – execve is used after a fork to replace on of the two processes’s virtual memory space with a new program – exit terminates a process – A ...
... A process is a program in execution. Processes are identified by their process identifier, an integer. Process control system calls – fork creates a new process – execve is used after a fork to replace on of the two processes’s virtual memory space with a new program – exit terminates a process – A ...
Post Graduate Diploma in Computer Application
... and many other formulae for calculations. Simpler calculations take less time. But complex calculations take much longer time. Another factor is accuracy in calculations. So man explored with the idea to develop a machine, which can perform this type of arithmetic calculation faster, and with full a ...
... and many other formulae for calculations. Simpler calculations take less time. But complex calculations take much longer time. Another factor is accuracy in calculations. So man explored with the idea to develop a machine, which can perform this type of arithmetic calculation faster, and with full a ...
Operating System
... 8086 microprocessor was not the world‘s first 16-bit microprocessor (there were some oddball 16-bit microprocessors prior to this point) but it was certainly the highest performance singlechip 16-bit microprocessor when it was first introduced. A microprocessor is the chip containing some control an ...
... 8086 microprocessor was not the world‘s first 16-bit microprocessor (there were some oddball 16-bit microprocessors prior to this point) but it was certainly the highest performance singlechip 16-bit microprocessor when it was first introduced. A microprocessor is the chip containing some control an ...
File Systems
... ifree Algorithm: increment file system free inode count; if (SB is locked) return; lock SB; if (inode list is full) { if (inode no. < "remembered inode") update "remembered inode"; ...
... ifree Algorithm: increment file system free inode count; if (SB is locked) return; lock SB; if (inode list is full) { if (inode no. < "remembered inode") update "remembered inode"; ...
the linux operating system
... kernel is one that includes virtually all of the OS functionality in one large block of code ...
... kernel is one that includes virtually all of the OS functionality in one large block of code ...
introduction to unix system
... as world wide e-mail and connecting to the Internet. • Unix was founded on what could be called a "small is good" philosophy. The idea is that each program is designed to do one job well. Because Unix was developed by different people with different needs it has grown to an operating system that is ...
... as world wide e-mail and connecting to the Internet. • Unix was founded on what could be called a "small is good" philosophy. The idea is that each program is designed to do one job well. Because Unix was developed by different people with different needs it has grown to an operating system that is ...
(1) What is operating System? Explain the abstract view of the
... interface in terms of parameters and results, and each one is free to call any other one, if the latter provides some useful computation that the former needs. To construct the actual object program of the operating system, when this approach is used, one first compiles all the individual procedure ...
... interface in terms of parameters and results, and each one is free to call any other one, if the latter provides some useful computation that the former needs. To construct the actual object program of the operating system, when this approach is used, one first compiles all the individual procedure ...
File Systems_PPT_ch04
... • Support up to four partitions per hard drive. – Four primary partitions or three primary and one extended partition – Extended partition may be further divided into logical drives » Each of these logical drives can hold an individual file system. ...
... • Support up to four partitions per hard drive. – Four primary partitions or three primary and one extended partition – Extended partition may be further divided into logical drives » Each of these logical drives can hold an individual file system. ...