November 10 Lecture Slides
... Disk can be subdivided into partitions" Disks or partitions can be RAID protected against failure" Disk or partition can be used raw – without a file system, or formatted with a ...
... Disk can be subdivided into partitions" Disks or partitions can be RAID protected against failure" Disk or partition can be used raw – without a file system, or formatted with a ...
File System
... To avoid this constant searching, many operating systems require that an open() system call be made before a file is first used ...
... To avoid this constant searching, many operating systems require that an open() system call be made before a file is first used ...
Linux+ Guide to Linux Certification Chapter Nine System Initialization
... unloading daemons using its configuration file /etc/inittab • Daemons are typically stored in the /etc/rc.d/init.d directory and loaded at system startup from entries in the /etc/rc.d/rc*.d directories ...
... unloading daemons using its configuration file /etc/inittab • Daemons are typically stored in the /etc/rc.d/init.d directory and loaded at system startup from entries in the /etc/rc.d/rc*.d directories ...
UNIX
... When power is initially applied to the computer this triggers the RESET pin on the processor. This causes the processor to read from memory location 0xFFFFFFF0 and begin executing the code located there. This address is mapped to the ReadOnly Memory (ROM) containing the BIOS. The BIOS must poll the ...
... When power is initially applied to the computer this triggers the RESET pin on the processor. This causes the processor to read from memory location 0xFFFFFFF0 and begin executing the code located there. This address is mapped to the ReadOnly Memory (ROM) containing the BIOS. The BIOS must poll the ...
I/O Systems & Mass-Storage Structure
... To use a disk to hold files, the operating system still needs to record its own data structures on the disk. Partition the disk into one or more groups of cylinders. Logical formatting or “making a file system”. ...
... To use a disk to hold files, the operating system still needs to record its own data structures on the disk. Partition the disk into one or more groups of cylinders. Logical formatting or “making a file system”. ...
UNIT-1 Operating System Concept
... Explain the purpose of system information utility. List out Event Viewer Log events. Explain about msconfig file. 2 times (Oct/nov-2016) What is event viewer? Explain the purpose of system configuration utility? What is indexing service? Long Questions Explain Event properties. Explain MMC in detail ...
... Explain the purpose of system information utility. List out Event Viewer Log events. Explain about msconfig file. 2 times (Oct/nov-2016) What is event viewer? Explain the purpose of system configuration utility? What is indexing service? Long Questions Explain Event properties. Explain MMC in detail ...
Lecture 6 File Systems
... • Different users may need different types of access to a file or directory. • The most general scheme to implement identity-dependent access is to associate with each file and directory an Access-Control List (ACL) specifying user names and the types of access allowed for each user. ...
... • Different users may need different types of access to a file or directory. • The most general scheme to implement identity-dependent access is to associate with each file and directory an Access-Control List (ACL) specifying user names and the types of access allowed for each user. ...
ch11.pdf
... A layered design abstraction I/O control :device drivers and interrupt service routines that perform the actual block transfers. Basic file system : issues generic lowlevel commands to device drivers. File organization module : translates logical block addresses to physical block addresses, an ...
... A layered design abstraction I/O control :device drivers and interrupt service routines that perform the actual block transfers. Basic file system : issues generic lowlevel commands to device drivers. File organization module : translates logical block addresses to physical block addresses, an ...
WHAT IS THE DOS BOOT SEQUENCE??
... Manager (Smss.exe). It will run the programs listed in its BootExecute Registry entry, as well as starting the required subsystems. The Win32 subsystem will then start Winlogon.exe, which starts the Local Security Administration (Lsass.exe), and the Ctrl+Alt+Delete window appears. The Service Contro ...
... Manager (Smss.exe). It will run the programs listed in its BootExecute Registry entry, as well as starting the required subsystems. The Win32 subsystem will then start Winlogon.exe, which starts the Local Security Administration (Lsass.exe), and the Ctrl+Alt+Delete window appears. The Service Contro ...
Chapter 13
... can read and write. To use a disk to hold files, the operating system still needs to record its own data structures on the disk. Partition the disk into one or more groups of cylinders. Logical formatting or “making a file system”. Boot block initializes system. The bootstrap is stored in ...
... can read and write. To use a disk to hold files, the operating system still needs to record its own data structures on the disk. Partition the disk into one or more groups of cylinders. Logical formatting or “making a file system”. Boot block initializes system. The bootstrap is stored in ...
Directories
... Linux file system(History) • It has maximum size limit of 64 megabytes • There was also a filename length limit of 14 characters. • In 1991 a new file system came with addition of new file system as a layer on top of linux kerenl that provide generic file API. Termed as VFS termed as ext. • But has ...
... Linux file system(History) • It has maximum size limit of 64 megabytes • There was also a filename length limit of 14 characters. • In 1991 a new file system came with addition of new file system as a layer on top of linux kerenl that provide generic file API. Termed as VFS termed as ext. • But has ...
Linux Booting Procedure
... GRUB Stage 2 receives control, and displays to the user the GRUB boot menu (where the user can manually specify the boot parameters). ...
... GRUB Stage 2 receives control, and displays to the user the GRUB boot menu (where the user can manually specify the boot parameters). ...
I/O - cs.rochester.edu - University of Rochester
... When the head request in the FIFO queue expires, it will be executed next (even if it is not next in line according to C-LOOK).! ...
... When the head request in the FIFO queue expires, it will be executed next (even if it is not next in line according to C-LOOK).! ...
Linux Pres1 - Parent Directory
... The recommended place to install boot Loader, unless the MBR already starts another operating system loader, such as System Commander or OS/2's Boot Manager. The MBR is a special area on your hard drive that is automatically loaded by your computer's BIOS, and is the earliest point at which Boot Loa ...
... The recommended place to install boot Loader, unless the MBR already starts another operating system loader, such as System Commander or OS/2's Boot Manager. The MBR is a special area on your hard drive that is automatically loaded by your computer's BIOS, and is the earliest point at which Boot Loa ...
Master boot record
... Separation of the operating system (OS) and program files from user files. This allows image backups (or clones) to be made of only the operating system and installed software. Having a separate area for operating system virtual memory swapping/paging. Keeping frequently used programs and data near ...
... Separation of the operating system (OS) and program files from user files. This allows image backups (or clones) to be made of only the operating system and installed software. Having a separate area for operating system virtual memory swapping/paging. Keeping frequently used programs and data near ...
Formatting and Partitioning Hard Drives, and DOS
... designed for the IBM Personal Computer DOS is a collection of programs and commands used to control the overall computer operation in a disk-based system Three sections make up DOS: Boot files File management files Utility files A simple operating system 16- bit operating system does not s ...
... designed for the IBM Personal Computer DOS is a collection of programs and commands used to control the overall computer operation in a disk-based system Three sections make up DOS: Boot files File management files Utility files A simple operating system 16- bit operating system does not s ...
2.1 Input Output Control System
... 1. The power supply send a signal to the component s in the system unit 2. The processor finds the ROM chip(s) that contain the BIOS (basic input output system) 3. The BIOS performs the POST(power-on self test), which checks components such as mouse, keyboard and adapter cards. ...
... 1. The power supply send a signal to the component s in the system unit 2. The processor finds the ROM chip(s) that contain the BIOS (basic input output system) 3. The BIOS performs the POST(power-on self test), which checks components such as mouse, keyboard and adapter cards. ...
Part IV: Longer Answer: Use your knowledge of operating systems to
... 2. _______________ is a Microsoft operating systems with a graphical user interface; versions include 3.1, 95, 98, Me, NT, 2000, XP 3. _______________ is a Microsoft Windows standard for automating and simplifying the installation and configuration of device drivers after a hardware device has been ...
... 2. _______________ is a Microsoft operating systems with a graphical user interface; versions include 3.1, 95, 98, Me, NT, 2000, XP 3. _______________ is a Microsoft Windows standard for automating and simplifying the installation and configuration of device drivers after a hardware device has been ...