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  2. L (complexity) - Wikipedia

    en.wikipedia.org/wiki/L_(complexity)

    L is a subclass of NL, which is the class of languages decidable in logarithmic space on a nondeterministic Turing machine.A problem in NL may be transformed into a problem of reachability in a directed graph representing states and state transitions of the nondeterministic machine, and the logarithmic space bound implies that this graph has a polynomial number of vertices and edges, from ...

  3. File locking - Wikipedia

    en.wikipedia.org/wiki/File_locking

    using byte-range locks to arbitrate read and write access to regions within a single file [3] by Windows file systems disallowing executing files from being opened for write or delete access; Windows inherits the semantics of share-access controls from the MS-DOS system, where sharing was introduced in MS-DOS 3.3 . Thus, an application must ...

  4. NL (complexity) - Wikipedia

    en.wikipedia.org/wiki/NL_(complexity)

    NL is a generalization of L, the class for logspace problems on a deterministic Turing machine. Since any deterministic Turing machine is also a nondeterministic Turing machine, we have that L is contained in NL. NL can be formally defined in terms of the computational resource nondeterministic space (or NSPACE) as NL = NSPACE(log n).

  5. Log-space reduction - Wikipedia

    en.wikipedia.org/wiki/Log-space_reduction

    In computational complexity theory, a log-space reduction is a reduction computable by a deterministic Turing machine using logarithmic space.Conceptually, this means it can keep a constant number of pointers into the input, along with a logarithmic number of fixed-size integers. [1]

  6. Log-space computable function - Wikipedia

    en.wikipedia.org/wiki/Log-space_computable_function

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  7. Long filename - Wikipedia

    en.wikipedia.org/wiki/Long_filename

    Long filename (LFN) support is Microsoft's backward-compatible extension of the 8.3 filename (short filename) naming scheme used in MS-DOS.Long filenames can be more descriptive, including longer filename extensions such as .jpeg, .tiff, and .html that are common on other operating systems, rather than specialized shortened names such as .jpg, .tif, or .htm.

  8. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    Windows Event Viewer file format 45 6C 66 46 69 6C 65: ElfFile: 0 evtx Windows Event Viewer XML file format 73 64 62 66: sdbf: 8 sdb Windows customized database 50 4D 43 43: PMCC: 0 grp Windows 3.x Program Manager Program Group file format 4B 43 4D 53: KCMS: 0 icm ICC profile: 72 65 67 66: regf: 0 dat hiv Windows Registry file 21 42 44 4E!BDN ...

  9. Log probability - Wikipedia

    en.wikipedia.org/wiki/Log_probability

    In probability theory and computer science, a log probability is simply a logarithm of a probability. [1] The use of log probabilities means representing probabilities on a logarithmic scale (,], instead of the standard [,] unit interval.