System.IO
NuGetv4.3.0Provides base input and output (I/O) types, including System.IO.Stream, System.IO.StreamReader and System.IO.StreamWriter, that allow reading and writing to data streams Commonly Used Types: System.IO.Stream System.IO.EndOfStreamException System.IO.MemoryStream System.IO.StreamReader System.IO.StreamWriter System.IO.StringWriter System.IO.TextWriter System.IO.TextReader When using NuGet 3.x this package requires at least version 3.4.
Not recommended for new projects
No — System.IO should not be adopted for new projects. Last published 3537 days ago. No license declared — you have no explicit right to use this code.
- ?Adoption: grade ?, Not reported by this registry.
No download data reported for this package yet.
- FMaintenance: grade F, Failing.
Last published 3537 days ago.
- AWeight: grade A, Excellent.
Pulls in 4 transitive packages (at least — some of the tree is still being crawled).
- BSupply chain: grade B, Good.
This package has a single maintainer (bus factor of 1).
- FLicense: grade F, Failing.
No license declared — you have no explicit right to use this code.
Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.
Install cost
What you actually take on by adding System.IO to a project.
Runtime packages this one declares itself.
Distinct packages in the full runtime tree, deduplicated the way a package manager would.
Longest resolved dependency chain below this package.
Part of this dependency tree has not been crawled yet, so these figures are a lower bound rather than a final total.
Compatibility
- .NET
- No constraint declared
Dependencies
Declared by System.IO v4.3.0. Runtime dependencies are installed with the package; dev dependencies are not.
Runtime (5)
Used by
Popular packages that depend on System.IO.
A set of standard .NET APIs that are prescribed to be used and supported together. 18a36291e48808fa7ef2d00a764ceb1ec95645a5 When using NuGet 3.x this package requires at least version 3.4.
Provides an older in-memory Extensible Markup Language (XML) programming interface that enables you to modify XML documents. Developers should prefer the classes in the System.Xml.XDocument package. Commonly Used Types: System.Xml.XmlNode System.Xml.XmlElement System.Xml.XmlAttribute System.Xml.XmlDocument System.Xml.XmlDeclaration System.Xml.XmlText System.Xml.XmlComment System.Xml.XmlNodeList System.Xml.XmlWhitespace System.Xml.XmlCDataSection When using NuGet 3.x this package requires at least version 3.4.
Provides a programming interface for modern HTTP applications, including HTTP client components that allow applications to consume web services over HTTP and HTTP components that can be used by both clients and servers for parsing HTTP headers. Commonly Used Types: System.Net.Http.HttpResponseMessage System.Net.Http.DelegatingHandler System.Net.Http.HttpRequestException System.Net.Http.HttpClient System.Net.Http.MultipartContent System.Net.Http.Headers.HttpContentHeaders System.Net.Http.HttpClientHandler System.Net.Http.StreamContent System.Net.Http.FormUrlEncodedContent System.Net.Http.HttpMessageHandler When using NuGet 3.x this package requires at least version 3.4.
Provides the System.Console class, which represents the standard input, output and error streams for console applications. Commonly Used Types: System.Console System.ConsoleColor When using NuGet 3.x this package requires at least version 3.4.
Provides classes that support the compression and decompression of streams. Commonly Used Types: System.IO.Compression.DeflateStream System.IO.Compression.GZipStream System.IO.Compression.CompressionMode System.IO.Compression.CompressionLevel System.IO.Compression.ZipArchiveEntry System.IO.Compression.ZipArchive System.IO.Compression.ZipArchiveMode When using NuGet 3.x this package requires at least version 3.4.
Provides classes that support the compression and decompression of streams using file system paths. Commonly Used Types: System.IO.Compression.ZipFile When using NuGet 3.x this package requires at least version 3.4.
Provides types that allow reading and writing to files and types that provide basic file and directory support. Commonly Used Types: System.IO.FileStream System.IO.FileInfo System.IO.DirectoryInfo System.IO.FileSystemInfo System.IO.File System.IO.Directory System.IO.SearchOption System.IO.FileOptions When using NuGet 3.x this package requires at least version 3.4.
Provides classes such as Socket, TcpClient and UdpClient, which enable developers to send and receive data over the network. Commonly Used Types: System.Net.Sockets.Socket System.Net.Sockets.SocketAsyncEventArgs System.Net.Sockets.LingerOption System.Net.Sockets.SocketAsyncOperation System.Net.Sockets.ProtocolType System.Net.Sockets.NetworkStream System.Net.Sockets.TcpClient System.Net.Sockets.SocketType System.Net.Sockets.UdpClient System.Net.Sockets.SocketShutdown When using NuGet 3.x this package requires at least version 3.4.
Provides base types for cryptographic algorithms, including hashing, encryption, and signing operations. Commonly Used Types: System.Security.Cryptography.Aes System.Security.Cryptography.RSA System.Security.Cryptography.RSAParameters System.Security.Cryptography.HMACSHA1 System.Security.Cryptography.SHA256 System.Security.Cryptography.SHA1 System.Security.Cryptography.SHA512 System.Security.Cryptography.SHA384 System.Security.Cryptography.HMACSHA256 System.Security.Cryptography.MD5 System.Security.Cryptography.HMACSHA384 System.Security.Cryptography.HMACSHA512 When using NuGet 3.x this package requires at least version 3.4.
Provides common types for the cryptographic libraries. Commonly Used Types: System.Security.Cryptography.ICryptoTransform System.Security.Cryptography.AsymmetricAlgorithm System.Security.Cryptography.SymmetricAlgorithm System.Security.Cryptography.HashAlgorithm System.Security.Cryptography.KeyedHashAlgorithm System.Security.Cryptography.HMAC System.Security.Cryptography.KeySizes System.Security.Cryptography.CryptographicException System.Security.Cryptography.CipherMode System.Security.Cryptography.PaddingMode System.Security.Cryptography.CryptoStream System.Security.Cryptography.CryptoStreamMode When using NuGet 3.x this package requires at least version 3.4.
Provides types for reading, exporting and verifying Authenticode X.509 v3 certificates. These certificates are signed with a private key that uniquely and positively identifies the holder of the certificate. Commonly Used Types: System.Security.Cryptography.X509Certificates.X509Certificate2 System.Security.Cryptography.X509Certificates.X509Certificate System.Security.Cryptography.X509Certificates.X509ContentType System.Security.Cryptography.X509Certificates.StoreLocation System.Security.Cryptography.X509Certificates.StoreName System.Security.Cryptography.X509Certificates.X509FindType System.Security.Cryptography.X509Certificates.X509ChainStatus System.Security.Cryptography.X509Certificates.X509Certificate2Collection System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension System.Security.Cryptography.X509Certificates.X509Chain When using NuGet 3.x this package requires at least version 3.4.
Provides provides a fast, non-cached, forward-only way to read and write Extensible Markup Language (XML) data. Commonly Used Types: System.Xml.XmlNodeType System.Xml.XmlException System.Xml.XmlReader System.Xml.XmlWriter System.Xml.IXmlLineInfo System.Xml.XmlNameTable System.Xml.IXmlNamespaceResolver System.Xml.XmlNamespaceManager System.Xml.XmlQualifiedName When using NuGet 3.x this package requires at least version 3.4.
Provides classes, interfaces and enumerations that enable language-level code expressions to be represented as objects in the form of expression trees. Commonly Used Types: System.Linq.IQueryable<T> System.Linq.IQueryable System.Linq.Expressions.Expression<TDelegate> System.Linq.Expressions.Expression System.Linq.Expressions.ExpressionVisitor When using NuGet 3.x this package requires at least version 3.4.
Provides types that retrieve information about assemblies, modules, members, parameters, and other entities in managed code by examining their metadata. These types also can be used to manipulate instances of loaded types, for example to hook up events or to invoke methods. Commonly Used Types: System.Reflection.MethodInfo System.Reflection.PropertyInfo System.Reflection.ParameterInfo System.Reflection.FieldInfo System.Reflection.ConstructorInfo System.Reflection.Assembly System.Reflection.MemberInfo System.Reflection.EventInfo System.Reflection.Module When using NuGet 3.x this package requires at least version 3.4.
Provides the classes for Language-Integrated Query (LINQ) to Extensible Markup Language (XML). LINQ to XML is an in-memory XML programming interface that enables you to modify XML documents efficiently and easily. Commonly Used Types: System.Xml.Linq.XElement System.Xml.Linq.XAttribute System.Xml.Linq.XDocument System.Xml.Linq.XText System.Xml.Linq.XNode System.Xml.Linq.XContainer System.Xml.Linq.XComment System.Xml.Linq.XObject System.Xml.Linq.XProcessingInstruction System.Xml.Linq.XDocumentType When using NuGet 3.x this package requires at least version 3.4.
Relationship graph
Dependencies (left) and dependents (right) of System.IO.
Frequently installed together
Provides the fundamental primitives, classes and base classes that define commonly-used value and reference data types, events and event handlers, interfaces, attributes, and exceptions. This packages represents the core package, and provides the minimal set of types required to build a managed application. Commonly Used Types: System.Object System.Exception System.Int16 System.Int32 System.Int64 System.Enum System.String System.Char System.Boolean System.SByte System.Byte System.DateTime System.DateTimeOffset System.Single System.Double System.UInt16 System.UInt32 System.UInt64 System.IDisposable System.Uri When using NuGet 3.x this package requires at least version 3.4.
Provides base abstract encoding classes for converting blocks of characters to and from blocks of bytes. Commonly Used Types: System.Text.Encoding System.Text.DecoderFallbackException System.Text.Decoder System.Text.EncoderFallbackException System.Text.Encoder System.Text.EncoderFallback System.Text.EncoderFallbackBuffer System.Text.DecoderFallback System.Text.DecoderFallbackBuffer System.Text.DecoderExceptionFallback When using NuGet 3.x this package requires at least version 3.4.
Provides classes and attributes that allow developers to create, store, and manage various culture-specific resources used in an application. Commonly Used Types: System.Resources.ResourceManager System.Resources.NeutralResourcesLanguageAttribute System.Resources.SatelliteContractVersionAttribute System.Resources.MissingManifestResourceException When using NuGet 3.x this package requires at least version 3.4.
Provides commonly-used classes for performing mathematical functions, conversions, string comparisons and querying environment information. Commonly Used Types: System.Math System.Environment System.Random System.Progress<T> System.Convert System.Diagnostics.Stopwatch System.Runtime.Versioning.FrameworkName System.StringComparer System.IO.Path When using NuGet 3.x this package requires at least version 3.4.
Provides classes that define generic collections, which allow developers to create strongly typed collections that provide better type safety and performance than non-generic strongly typed collections. Commonly Used Types: System.Collections.Generic.List<T> System.Collections.Generic.Dictionary<TKey, TValue> System.Collections.Generic.Queue<T> System.Collections.Generic.Stack<T> System.Collections.Generic.HashSet<T> System.Collections.Generic.LinkedList<T> System.Collections.Generic.EqualityComparer<T> System.Collections.Generic.Comparer<T> System.Collections.Generic.SortedDictionary<TKey, TValue> When using NuGet 3.x this package requires at least version 3.4.
Provides classes and attributes that allows basic interaction with a debugger. Commonly Used Types: System.Diagnostics.Debug System.Diagnostics.DebuggerStepThroughAttribute System.Diagnostics.Debugger System.Diagnostics.DebuggerDisplayAttribute System.Diagnostics.DebuggerBrowsableAttribute System.Diagnostics.DebuggerBrowsableState System.Diagnostics.DebuggerHiddenAttribute System.Diagnostics.DebuggerNonUserCodeAttribute System.Diagnostics.DebuggerTypeProxyAttribute When using NuGet 3.x this package requires at least version 3.4.
Provides classes that define culture-related information, including language, country/region, calendars in use, format patterns for dates, currency, and numbers, and sort order for strings. Commonly Used Types: System.Globalization.DateTimeFormatInfo System.Globalization.CultureInfo System.Globalization.NumberFormatInfo System.Globalization.CalendarWeekRule System.Globalization.TextInfo System.Globalization.Calendar System.Globalization.CompareInfo System.Globalization.CompareOptions System.Globalization.UnicodeCategory When using NuGet 3.x this package requires at least version 3.4.
Provides the fundamental synchronization primitives, including System.Threading.Monitor and System.Threading.Mutex, that are required when writing asynchronous code. Commonly Used Types: System.Threading.Monitor System.Threading.SynchronizationContext System.Threading.ManualResetEvent System.Threading.AutoResetEvent System.Threading.ThreadLocal<T> System.Threading.EventWaitHandle System.Threading.SemaphoreSlim System.Threading.Mutex When using NuGet 3.x this package requires at least version 3.4.
Provides types that simplify the work of writing concurrent and asynchronous code. Commonly Used Types: System.Threading.Tasks.Task<TResult> System.Runtime.CompilerServices.TaskAwaiter<TResult> System.Threading.Tasks.TaskCompletionSource<TResult> System.Threading.Tasks.Task System.OperationCanceledException System.AggregateException When using NuGet 3.x this package requires at least version 3.4.
Provides types that support COM interop and platform invoke services. Commonly Used Types: System.Runtime.InteropServices.GCHandle System.Runtime.InteropServices.GuidAttribute System.Runtime.InteropServices.COMException System.DllNotFoundException System.Runtime.InteropServices.DllImportAttribute When using NuGet 3.x this package requires at least version 3.4.
Provides base classes, including System.Runtime.InteropServices.CriticalHandle and System.Runtime.InteropServices.SafeHandle, for types that represent operating system handles. Commonly Used Types: System.Runtime.InteropServices.SafeHandle Microsoft.Win32.SafeHandles.SafeWaitHandle System.Runtime.InteropServices.CriticalHandle System.Threading.WaitHandleExtensions System.IO.HandleInheritability When using NuGet 3.x this package requires at least version 3.4.
Provides common enumerations and exceptions for path-based I/O libraries. Commonly Used Types: System.IO.DirectoryNotFoundException System.IO.FileAccess System.IO.FileLoadException System.IO.PathTooLongException System.IO.FileMode System.IO.FileShare System.IO.FileAttributes When using NuGet 3.x this package requires at least version 3.4.
Release history
No releases in the last two years, typically about 35 days apart.
| Version | Published | License |
|---|---|---|
| 4.3.0latest | 9 years ago | — |
| 4.3.0-preview1-24530-04 | 9 years ago | — |
| 4.1.0 | 10 years ago | — |
| 4.1.0-rc2-24027 | 10 years ago | — |
| 4.0.11-beta-23516 | 10 years ago | — |
| 4.0.11-beta-23409 | 10 years ago | — |
| 4.0.11-beta-23225 | 11 years ago | — |
| 4.0.10 | 11 years ago | — |
| 4.0.0 | 11 years ago | — |
| 4.0.10-beta-23109 | 11 years ago | — |
| 4.0.0-beta-23109 | 11 years ago | — |
| 4.0.0-beta-23019 | 11 years ago | — |
| 4.0.10-beta-23019 | 11 years ago | — |
| 4.0.10-beta-22816 | 11 years ago | — |
| 4.0.10-beta-22605 | 11 years ago | — |
Overview
System.IO is an NuGet package that provides base input and output (I/O) types, including System.IO.Stream, System.IO.StreamReader and System.IO.StreamWriter, that allow reading and writing to data streams Commonly Used Types: System.IO.Stream System.IO.EndOfStreamException System.IO.MemoryStream System.IO.StreamReader System.IO.StreamWriter System.IO.StringWriter System.IO.TextWriter System.IO.TextReader When using NuGet 3.x this package requires at least version 3.4. It has 21 known dependents in the graph. The latest version is 4.3.0.
Who should use it
Teams working in the NuGet ecosystem who need provides base input and output (I/O) types, including System.IO.Stream, System.IO.StreamReader and System.IO.StreamWriter, that allow reading and writing to data streams Commonly Used Types: System.IO.Stream System.IO.EndOfStreamException System.IO.MemoryStream System.IO.StreamReader System.IO.StreamWriter System.IO.StringWriter System.IO.TextWriter System.IO.TextReader When using NuGet 3.x this package requires at least version 3.4 and value a focused solution.
When not to use it
Consider an alternative if you need to or if a more actively-maintained option better fits your NuGet stack.
Pros
- Actively published to the registry.
Cons
- No license detected — review usage terms before adopting.
Auto-generated from collected registry metadata. No external claims are inferred.
Maintainers
Frequently asked questions
Should I use System.IO?
No — System.IO should not be adopted for new projects. Last published 3537 days ago. No license declared — you have no explicit right to use this code.
How do I install System.IO?
Run `dotnet add package System.IO` to add System.IO to your NuGet project.
How many dependencies does System.IO have?
System.IO declares 5 direct dependencies and pulls in 4 packages in total once its runtime tree is resolved.
What license is System.IO released under?
No license was detected in System.IO's metadata; review the repository before use.
How popular is System.IO?
NuGet does not publish download counts. Within PackageGraph's crawl, 21 known packages depend on System.IO.
Is System.IO still maintained?
The most recent release of System.IO (v4.3.0) was published 9 years ago.