File System - Open File

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When a file is open, it gets a file descriptor (File Handle) from the file system as a mean to manipulate it.

Open File from a process are generally:

The information on open file are on this page: File System - File Descriptor or Handle (Open File)

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Dos - Net Command (Network)

Net is an external command used to: update, fix, or view the network or network settings. manage Windows service manage open files synchronize time manage resources manage account and group...
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The open files command enables an administrator to list or disconnect files and folders that have been opened on a system. See More info:
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read is a file system io operations that opens the file for read access OS In the OS file system, it's equivalent to get a file descriptor. Linux API : read(2) Generally before reading a file,...
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A File lock is a lock on a file They are acquired from the operating system kernel file system. All open files have acquired a lock. Their implementation is OS depend. They are generally just flags....
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File System - File Descriptor or Handle (Open File)

A file descriptor (Unix, Linux) or a file handle (Windows) is the connection id (generally to a file) from the Operating system in order to perform IO operations (Input/Ouput of Bytes). For Wikipedia,...
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Runs the HDFS filesystem checking utility for various inconsistencies. Unlike a traditional fsck utility for native file systems, this command does not correct the errors it detects. It will report...
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Standard Streams are a feature of many operating systems. By default, they: read input from the keyboard and write output to the display. They are the building block of interaction with the user...
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so means shared object file and are shared library in Linux There format is the Executable and Linkable Format. As Shared Library, so files are open file opened by a process. The shared library extension...
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disk free command (df) is a storage function that can give you the free space. du shows the space by file whereas df shows the space by block of file. open lsof

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