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  1. S

    Changing mouse cursor on Raspberry Pi OS (Debian Linux)

    I used GIMP to edit copies of certain cursor files called left_ptr and hand2 from the "cursors" folders within the theme directories /usr/share/icons/[theme name]/cursor. This was for the themes "Adwaita" and "DMZ-white". Then I renamed the original cursor files and put the new edited versions...
  2. dRic2

    Managing Dual Linux OS and Partitions on PC

    Hi, I am running on pc with 2 different Linux OS and the following partitions /dev/sda1 (Boot) /dev/sda2 (ArchLinux) /dev/sda3 (something empty) /dev/sdb1 (Ubuntu) /dev/sdb2 (EFI System partition) /dev/sdb3 (no name) Since I basically don't use ArchLinux, I wanted to uninstall it. I...
  3. pairofstrings

    What changes often in Linux OS?

    Can anyone tell me what the area is in Linux that doesn't change often? We have System programming, Kernel Programming, Device Driver Programming which one of these are less frequently touched? By "change", I mean, how often -in System Programming or Kernel Programming or Device Driver...
  4. C

    C/C++ Running a C++ project in Xcode Mac Os

    I am trying to run an Xcode project in c++ on a Mac Os. I started by creating new project, selecting command line tool options so that I may use c++ option and proceeded with completing the product name fields and the directory where to save the project on my Mac. The default project that is...
  5. D

    MHB IHave no idea how to solve any os these.

    It is intended to collect samples from a Normal population with a standard deviation of 9. For a confidence level of 80%, determine the amplitude of the confidence interval for the population average in the case of a sample of size 81. Pick one:a. 1,28 b. 1,92 c. 1,44 d. 2,30 2) A sample of...
  6. Operating Systems (NPTEL):- Lecture 01: Introduction to UNIX System Calls Part - 1

    Operating Systems (NPTEL):- Lecture 01: Introduction to UNIX System Calls Part - 1

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  7. Operating Systems (NPTEL):- Lecture 02: Introduction to UNIX System Calls Part - 2

    Operating Systems (NPTEL):- Lecture 02: Introduction to UNIX System Calls Part - 2

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  8. Operating Systems (NPTEL):- Lecture 03: Threads, Address Spaces, Filesystem Devices

    Operating Systems (NPTEL):- Lecture 03: Threads, Address Spaces, Filesystem Devices

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  9. Operating Systems (NPTEL):- Lecture 04: PC Architecture

    Operating Systems (NPTEL):- Lecture 04: PC Architecture

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  10. Operating Systems (NPTEL):- Lecture 05: x86 Instruction Set, GCC Calling Conventions

    Operating Systems (NPTEL):- Lecture 05: x86 Instruction Set, GCC Calling Conventions

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  11. Operating Systems (NPTEL):- Lecture 06: Physical Memory Map, I/O, Segmentation

    Operating Systems (NPTEL):- Lecture 06: Physical Memory Map, I/O, Segmentation

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  12. Operating Systems (NPTEL):- Lecture 07: Segmentation, Trap Handling

    Operating Systems (NPTEL):- Lecture 07: Segmentation, Trap Handling

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  13. Operating Systems (NPTEL):- Lecture 08: Traps, Trap Handlers

    Operating Systems (NPTEL):- Lecture 08: Traps, Trap Handlers

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  14. Operating Systems (NPTEL):- Lecture 09: Kernel Data Structures, Memory Management

    Operating Systems (NPTEL):- Lecture 09: Kernel Data Structures, Memory Management

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  15. Operating Systems (NPTEL):- Lecture 10: Segmentation Review, Introduction to Paging

    Operating Systems (NPTEL):- Lecture 10: Segmentation Review, Introduction to Paging

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike
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  16. Operating Systems (NPTEL):- Lecture 11: Paging

    Operating Systems (NPTEL):- Lecture 11: Paging

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  17. Operating Systems (NPTEL):- Lecture 12: Process Address Spaces Using Paging

    Operating Systems (NPTEL):- Lecture 12: Process Address Spaces Using Paging

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed
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  18. Operating Systems (NPTEL):- Lecture 13: Translation Lookaside Buffer, Large Pages, Boot Sector

    Operating Systems (NPTEL):- Lecture 13: Translation Lookaside Buffer, Large Pages, Boot Sector

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  19. Operating Systems (NPTEL):- Lecture 14: Loading the kernel, Initializing the Page table

    Operating Systems (NPTEL):- Lecture 14: Loading the kernel, Initializing the Page table

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  20. Operating Systems (NPTEL):- Lecture 15: Setting up page tables for user processes

    Operating Systems (NPTEL):- Lecture 15: Setting up page tables for user processes

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  21. Operating Systems (NPTEL):- Lecture 16: Processes in action

    Operating Systems (NPTEL):- Lecture 16: Processes in action

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  22. Operating Systems (NPTEL):- Lecture 17: Process structure, Context Switching

    Operating Systems (NPTEL):- Lecture 17: Process structure, Context Switching

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  23. Operating Systems (NPTEL):- Lecture 18: Process Kernel stack, Scheduler, Fork,Context-Switch, etc.

    Operating Systems (NPTEL):- Lecture 18: Process Kernel stack, Scheduler, Fork,Context-Switch, etc.

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  24. Operating Systems (NPTEL):- Lecture 19: Creating the first process

    Operating Systems (NPTEL):- Lecture 19: Creating the first process

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  25. Operating Systems (NPTEL):- Lecture 20: Handling User Pointers, Concurrency

    Operating Systems (NPTEL):- Lecture 20: Handling User Pointers, Concurrency

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  26. Operating Systems (NPTEL):- Lecture 21: Locking

    Operating Systems (NPTEL):- Lecture 21: Locking

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  27. Operating Systems (NPTEL):- Lecture 22: Fine-grained Locking and its challenges

    Operating Systems (NPTEL):- Lecture 22: Fine-grained Locking and its challenges

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  28. Operating Systems (NPTEL):- Lecture 23: Locking variations

    Operating Systems (NPTEL):- Lecture 23: Locking variations

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  29. Operating Systems (NPTEL):- Lecture 24: Condition variables

    Operating Systems (NPTEL):- Lecture 24: Condition variables

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  30. Operating Systems (NPTEL):- Lecture 25: Multiple producer, multiple consumer queue; semaphores; etc.

    Operating Systems (NPTEL):- Lecture 25: Multiple producer, multiple consumer queue; semaphores; etc.

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  31. Operating Systems (NPTEL):- Lecture 26: Transcations and lock-free primitives read/write locks

    Operating Systems (NPTEL):- Lecture 26: Transcations and lock-free primitives read/write locks

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  32. Operating Systems (NPTEL):- Lecture 27: Synchronization in xv6: acquire/release, sleep/wakeup, etc.

    Operating Systems (NPTEL):- Lecture 27: Synchronization in xv6: acquire/release, sleep/wakeup, etc.

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  33. Operating Systems (NPTEL):- Lecture 28: Synchronization in xv6: kill, IDE device driver; Demand Pagi

    Operating Systems (NPTEL):- Lecture 28: Synchronization in xv6: kill, IDE device driver; Demand Pagi

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  34. Operating Systems (NPTEL):- Lecture 29: Demand Paging; Introduction to Page Replacement

    Operating Systems (NPTEL):- Lecture 29: Demand Paging; Introduction to Page Replacement

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  35. Operating Systems (NPTEL):- Lecture 30: Page Replacement, Thrashing

    Operating Systems (NPTEL):- Lecture 30: Page Replacement, Thrashing

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  36. Operating Systems (NPTEL):- Lecture 31: Storage Devices, File system Interfaces

    Operating Systems (NPTEL):- Lecture 31: Storage Devices, File system Interfaces

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  37. Operating Systems (NPTEL):- Lecture 32: File System Implementation

    Operating Systems (NPTEL):- Lecture 32: File System Implementation

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  38. Operating Systems (NPTEL):- Lecture 33: File System Operation

    Operating Systems (NPTEL):- Lecture 33: File System Operation

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  39. Operating Systems (NPTEL):- Lecture 34: Crash Recovery and Logging

    Operating Systems (NPTEL):- Lecture 34: Crash Recovery and Logging

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  40. Operating Systems (NPTEL):- Lecture 35: Logging in Linux ext3 filesystem

    Operating Systems (NPTEL):- Lecture 35: Logging in Linux ext3 filesystem

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  41. Operating Systems (NPTEL):- Lecture 36: Protection and Security

    Operating Systems (NPTEL):- Lecture 36: Protection and Security

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  42. Operating Systems (NPTEL):- Lecture 37: Scheduling Policies

    Operating Systems (NPTEL):- Lecture 37: Scheduling Policies

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  43. Operating Systems (NPTEL):- Lecture 38: Lock-free multiprocessor coordination, Read-Copy-Update

    Operating Systems (NPTEL):- Lecture 38: Lock-free multiprocessor coordination, Read-Copy-Update

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  44. Operating Systems (NPTEL):- Lecture 39: Microkernel, Exokernel, Multikernel

    Operating Systems (NPTEL):- Lecture 39: Microkernel, Exokernel, Multikernel

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  45. Operating Systems (NPTEL):- Lecture 40: Virtualization, Cloud Computing, Technology Trends

    Operating Systems (NPTEL):- Lecture 40: Virtualization, Cloud Computing, Technology Trends

    Instructor: Prof. Sorav Bansal Course Website: https://nptel.ac.in/courses/106/102/106102132/ Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA
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  46. W

    OS and Choice of 32- or 64- bit for VMWare

    Hi All, I am setting up a WMWare15 Virtual Machine (VMWare Workstation 15 Player, more accurately). It requires the use of an OS. I have a copy of Win7 Pro which I already used successfully _except_ that it was a 32-bit version. Someone who knows more than I told me that it is possible for...
  47. W

    Loading OS into a VMWare Machine from a Physical Machine

    Hi All, I have VMWare Workstation Software to use VMs . When I create a machine I am asked to load an OS into the new VM: Is it possible to load the Physical PCs OS into the VM:
  48. E

    Preserving data with a new OS install

    This is a locked laptop,in order for it to work again,i need to install a new OS , i am going to remove the hard disk of the computer and extract data on other devices. My friend told me that this is ok, but I am worried that the data saved on the hard disk of the computer will be lost. Maybe...
  49. kolleamm

    Time complexity for an OS to find a file/directory?

    What is the time complexity for an OS to find a file? Is it O(1) time? Let's say for example, you had a billion files in a single folder, and you wanted to load a file into a string in your program, would the system find a specific file right away, or would there be a longer wait? Let's...
  50. SMBH

    A IRAF xgterm implot unresponsive (mac OS High Sierra 10.13.3)

    I downloaded IRAF to my machine using astroconda, and everything works perfectly except the implot function when using an xgterm terminal (it kind of works with xterm, but not really). I can get it to display a plot with implot, but none of the keystroke functions work at all and I am not even...
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