René's URL Explorer Experiment


Title: OS | Node.js 26.13.0 Documentation

Open Graph Title: OS | Node.js 26.13.0 Documentation

Description: Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

Open Graph Description: Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

direct link

Domain: beta.docs.nodejs.org

og:typewebsite
og:imagehttps://nodejs.org/en/next-data/og/announcement/Node.js — Run JavaScript Everywhere

Links:

https://beta.docs.nodejs.org/
Learnhttps://nodejs.org/en/learn
Abouthttps://nodejs.org/en/about
Downloadhttps://nodejs.org/en/download
Docshttps://nodejs.org/docs/latest/api/
Bloghttps://nodejs.org/en/blog/
Contributehttps://github.com/nodejs/node/blob/main/CONTRIBUTING.md
https://github.com/nodejs/node
About this documentationhttps://beta.docs.nodejs.org/index.html
Usage and examplehttps://beta.docs.nodejs.org/synopsis.html
Asserthttps://beta.docs.nodejs.org/assert.html
Async hookshttps://beta.docs.nodejs.org/async_hooks.html
Asynchronous context trackinghttps://beta.docs.nodejs.org/async_context.html
Benchmark runnerhttps://beta.docs.nodejs.org/bench.html
Bufferhttps://beta.docs.nodejs.org/buffer.html
C++ addonshttps://beta.docs.nodejs.org/addons.html
C++ embedder APIhttps://beta.docs.nodejs.org/embedding.html
Child processhttps://beta.docs.nodejs.org/child_process.html
Clusterhttps://beta.docs.nodejs.org/cluster.html
Command-line APIhttps://beta.docs.nodejs.org/cli.html
Consolehttps://beta.docs.nodejs.org/console.html
Cryptohttps://beta.docs.nodejs.org/crypto.html
Debuggerhttps://beta.docs.nodejs.org/debugger.html
Deprecated APIshttps://beta.docs.nodejs.org/deprecations.html
Diagnostic reporthttps://beta.docs.nodejs.org/report.html
Diagnostics Channelhttps://beta.docs.nodejs.org/diagnostics_channel.html
DNShttps://beta.docs.nodejs.org/dns.html
Domainhttps://beta.docs.nodejs.org/domain.html
DTLShttps://beta.docs.nodejs.org/dtls.html
Environment Variableshttps://beta.docs.nodejs.org/environment_variables.html
Errorshttps://beta.docs.nodejs.org/errors.html
Eventshttps://beta.docs.nodejs.org/events.html
FFIhttps://beta.docs.nodejs.org/ffi.html
File systemhttps://beta.docs.nodejs.org/fs.html
Global objectshttps://beta.docs.nodejs.org/globals.html
HTTPhttps://beta.docs.nodejs.org/http.html
HTTP/2https://beta.docs.nodejs.org/http2.html
HTTPShttps://beta.docs.nodejs.org/https.html
Inspectorhttps://beta.docs.nodejs.org/inspector.html
Internationalization supporthttps://beta.docs.nodejs.org/intl.html
Iterable Streamshttps://beta.docs.nodejs.org/stream_iter.html
Modules: node:module APIhttps://beta.docs.nodejs.org/module.html
Modules: CommonJS moduleshttps://beta.docs.nodejs.org/modules.html
Modules: ECMAScript moduleshttps://beta.docs.nodejs.org/esm.html
Modules: Packageshttps://beta.docs.nodejs.org/packages.html
Modules: TypeScripthttps://beta.docs.nodejs.org/typescript.html
Nethttps://beta.docs.nodejs.org/net.html
Node-APIhttps://beta.docs.nodejs.org/n-api.html
OShttps://beta.docs.nodejs.org/os.html
os.EOLhttps://beta.docs.nodejs.org/os/EOL.html
os.availableParallelismhttps://beta.docs.nodejs.org/os/availableParallelism.html
os.archhttps://beta.docs.nodejs.org/os/arch.html
os.constantshttps://beta.docs.nodejs.org/os/constants.html
os.cpushttps://beta.docs.nodejs.org/os/cpus.html
os.devNullhttps://beta.docs.nodejs.org/os/devNull.html
os.endiannesshttps://beta.docs.nodejs.org/os/endianness.html
os.freememhttps://beta.docs.nodejs.org/os/freemem.html
os.getPriorityhttps://beta.docs.nodejs.org/os/getPriority.html
os.homedirhttps://beta.docs.nodejs.org/os/homedir.html
os.hostnamehttps://beta.docs.nodejs.org/os/hostname.html
os.loadavghttps://beta.docs.nodejs.org/os/loadavg.html
os.machinehttps://beta.docs.nodejs.org/os/machine.html
os.networkInterfaceshttps://beta.docs.nodejs.org/os/networkInterfaces.html
os.platformhttps://beta.docs.nodejs.org/os/platform.html
os.releasehttps://beta.docs.nodejs.org/os/release.html
os.setPriorityhttps://beta.docs.nodejs.org/os/setPriority.html
os.tmpdirhttps://beta.docs.nodejs.org/os/tmpdir.html
os.totalmemhttps://beta.docs.nodejs.org/os/totalmem.html
os.typehttps://beta.docs.nodejs.org/os/type.html
os.uptimehttps://beta.docs.nodejs.org/os/uptime.html
os.userInfohttps://beta.docs.nodejs.org/os/userInfo.html
os.versionhttps://beta.docs.nodejs.org/os/version.html
Pathhttps://beta.docs.nodejs.org/path.html
Performance measurement APIshttps://beta.docs.nodejs.org/perf_hooks.html
Permissionshttps://beta.docs.nodejs.org/permissions.html
Processhttps://beta.docs.nodejs.org/process.html
Punycodehttps://beta.docs.nodejs.org/punycode.html
Query stringhttps://beta.docs.nodejs.org/querystring.html
Readlinehttps://beta.docs.nodejs.org/readline.html
REPLhttps://beta.docs.nodejs.org/repl.html
Single executable applicationshttps://beta.docs.nodejs.org/single-executable-applications.html
SQLitehttps://beta.docs.nodejs.org/sqlite.html
Streamhttps://beta.docs.nodejs.org/stream.html
String decoderhttps://beta.docs.nodejs.org/string_decoder.html
Test runnerhttps://beta.docs.nodejs.org/test.html
Timershttps://beta.docs.nodejs.org/timers.html
TLS (SSL)https://beta.docs.nodejs.org/tls.html
Trace eventshttps://beta.docs.nodejs.org/tracing.html
TTYhttps://beta.docs.nodejs.org/tty.html
UDP/datagram socketshttps://beta.docs.nodejs.org/dgram.html
URLhttps://beta.docs.nodejs.org/url.html
Utilhttps://beta.docs.nodejs.org/util.html
V8https://beta.docs.nodejs.org/v8.html
Virtual File Systemhttps://beta.docs.nodejs.org/vfs.html
VM (executing JavaScript)https://beta.docs.nodejs.org/vm.html
Web Crypto APIhttps://beta.docs.nodejs.org/webcrypto.html
Web Streams APIhttps://beta.docs.nodejs.org/webstreams.html
WebAssembly System Interface (WASI)https://beta.docs.nodejs.org/wasi.html
Worker threadshttps://beta.docs.nodejs.org/worker_threads.html
Zlibhttps://beta.docs.nodejs.org/zlib.html
os.EOLhttps://beta.docs.nodejs.org/os.html#oseol
os.availableParallelismhttps://beta.docs.nodejs.org/os.html#osavailableparallelism
os.archhttps://beta.docs.nodejs.org/os.html#osarch
os.constantshttps://beta.docs.nodejs.org/os.html#osconstants
os.cpushttps://beta.docs.nodejs.org/os.html#oscpus
os.devNullhttps://beta.docs.nodejs.org/os.html#osdevnull
os.endiannesshttps://beta.docs.nodejs.org/os.html#osendianness
os.freememhttps://beta.docs.nodejs.org/os.html#osfreemem
os.getPriorityhttps://beta.docs.nodejs.org/os.html#osgetprioritypid
os.homedirhttps://beta.docs.nodejs.org/os.html#oshomedir
os.hostnamehttps://beta.docs.nodejs.org/os.html#oshostname
os.loadavghttps://beta.docs.nodejs.org/os.html#osloadavg
os.machinehttps://beta.docs.nodejs.org/os.html#osmachine
os.networkInterfaceshttps://beta.docs.nodejs.org/os.html#osnetworkinterfaces
os.platformhttps://beta.docs.nodejs.org/os.html#osplatform
os.releasehttps://beta.docs.nodejs.org/os.html#osrelease
os.setPriorityhttps://beta.docs.nodejs.org/os.html#ossetprioritypid-priority
os.tmpdirhttps://beta.docs.nodejs.org/os.html#ostmpdir
os.totalmemhttps://beta.docs.nodejs.org/os.html#ostotalmem
os.typehttps://beta.docs.nodejs.org/os.html#ostype
os.uptimehttps://beta.docs.nodejs.org/os.html#osuptime
os.userInfohttps://beta.docs.nodejs.org/os.html#osuserinfooptions
os.versionhttps://beta.docs.nodejs.org/os.html#osversion
OS constantshttps://beta.docs.nodejs.org/os.html#os-constants
Signal constantshttps://beta.docs.nodejs.org/os.html#signal-constants
Error constantshttps://beta.docs.nodejs.org/os.html#error-constants
dlopen constantshttps://beta.docs.nodejs.org/os.html#dlopen-constants
Priority constantshttps://beta.docs.nodejs.org/os.html#priority-constants
libuv constantshttps://beta.docs.nodejs.org/os.html#libuv-constants
OShttps://beta.docs.nodejs.org/os.html#os
lib/os.jshttps://github.com/nodejs/node/blob/main/lib/os.js
os.EOLhttps://beta.docs.nodejs.org/os.html#oseol
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
os.availableParallelismhttps://beta.docs.nodejs.org/os.html#osavailableparallelism
integerhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
uv_available_parallelism()https://docs.libuv.org/en/v1.x/misc.html#c.uv_available_parallelism
os.archhttps://beta.docs.nodejs.org/os.html#osarch
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
process.archhttps://beta.docs.nodejs.org/process.html#processarch
os.constantshttps://beta.docs.nodejs.org/os.html#osconstants
Objecthttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
OS constantshttps://beta.docs.nodejs.org/os.html#os-constants
os.cpushttps://beta.docs.nodejs.org/os.html#oscpus
Objecthttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
numberhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
Objecthttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
numberhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
numberhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
numberhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
numberhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
numberhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
os.availableParallelism()https://beta.docs.nodejs.org/os.html#osavailableparallelism
os.devNullhttps://beta.docs.nodejs.org/os.html#osdevnull
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
os.endiannesshttps://beta.docs.nodejs.org/os.html#osendianness
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
os.freememhttps://beta.docs.nodejs.org/os.html#osfreemem
integerhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
os.getPriorityhttps://beta.docs.nodejs.org/os.html#osgetprioritypid
integerhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
integerhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
os.homedirhttps://beta.docs.nodejs.org/os.html#oshomedir
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
effective UIDhttps://en.wikipedia.org/wiki/User_identifier#Effective_user_ID
os.hostnamehttps://beta.docs.nodejs.org/os.html#oshostname
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
os.loadavghttps://beta.docs.nodejs.org/os.html#osloadavg
numberhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
os.machinehttps://beta.docs.nodejs.org/os.html#osmachine
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
uname(3)https://linux.die.net/man/3/uname
https://en.wikipedia.org/wiki/Uname#Exampleshttps://en.wikipedia.org/wiki/Uname#Examples
os.networkInterfaceshttps://beta.docs.nodejs.org/os.html#osnetworkinterfaces
The family property now returns a string instead of a number.v18.4.0https://github.com/nodejs/node/pull/43054
The family property now returns a number instead of a string.v18.0.0https://github.com/nodejs/node/pull/41431
Objecthttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
booleanhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type
numberhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
os.platformhttps://beta.docs.nodejs.org/os.html#osplatform
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
process.platformhttps://beta.docs.nodejs.org/process.html#processplatform
Android support is experimentalhttps://github.com/nodejs/node/blob/HEAD/BUILDING.md#android
os.releasehttps://beta.docs.nodejs.org/os.html#osrelease
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
uname(3)https://linux.die.net/man/3/uname
https://en.wikipedia.org/wiki/Uname#Exampleshttps://en.wikipedia.org/wiki/Uname#Examples
os.setPriorityhttps://beta.docs.nodejs.org/os.html#ossetprioritypid-priority
integerhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
integerhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
os.tmpdirhttps://beta.docs.nodejs.org/os.html#ostmpdir
This function is now cross-platform consistent and no longer returns a path with a trailing slash on any platform.v2.0.0https://github.com/nodejs/node/pull/747
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
os.totalmemhttps://beta.docs.nodejs.org/os.html#ostotalmem
integerhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
os.typehttps://beta.docs.nodejs.org/os.html#ostype
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
uname(3)https://linux.die.net/man/3/uname
https://en.wikipedia.org/wiki/Uname#Exampleshttps://en.wikipedia.org/wiki/Uname#Examples
uname(3)https://linux.die.net/man/3/uname
os.uptimehttps://beta.docs.nodejs.org/os.html#osuptime
The result of this function no longer contains a fraction component on Windows.v10.0.0https://github.com/nodejs/node/pull/20129
integerhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type
os.userInfohttps://beta.docs.nodejs.org/os.html#osuserinfooptions
Objecthttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
Objecthttps://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object
SystemErrorhttps://beta.docs.nodejs.org/errors.html#class-systemerror
os.versionhttps://beta.docs.nodejs.org/os.html#osversion
stringhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type
uname(3)https://linux.die.net/man/3/uname
https://en.wikipedia.org/wiki/Uname#Exampleshttps://en.wikipedia.org/wiki/Uname#Examples
OS constantshttps://beta.docs.nodejs.org/os.html#os-constants
Signal constantshttps://beta.docs.nodejs.org/os.html#signal-constants
Added support for SIGINFO.v5.11.0https://github.com/nodejs/node/pull/6093
Error constantshttps://beta.docs.nodejs.org/os.html#error-constants
POSIX error constantshttps://beta.docs.nodejs.org/os.html#posix-error-constants
Windows-specific error constantshttps://beta.docs.nodejs.org/os.html#windows-specific-error-constants
dlopen constantshttps://beta.docs.nodejs.org/os.html#dlopen-constants
dlopen(3)http://man7.org/linux/man-pages/man3/dlopen.3.html
Priority constantshttps://beta.docs.nodejs.org/os.html#priority-constants
libuv constantshttps://beta.docs.nodejs.org/os.html#libuv-constants
Nextos.EOLhttps://beta.docs.nodejs.org/os/EOL.html
JSONhttps://beta.docs.nodejs.org/os.json
MDhttps://beta.docs.nodejs.org/os.md
Edit this pagehttps://github.com/nodejs/node/edit/HEAD/doc/api/os.md
os.EOLhttps://beta.docs.nodejs.org/os.html#oseol
os.availableParallelismhttps://beta.docs.nodejs.org/os.html#osavailableparallelism
os.archhttps://beta.docs.nodejs.org/os.html#osarch
os.constantshttps://beta.docs.nodejs.org/os.html#osconstants
os.cpushttps://beta.docs.nodejs.org/os.html#oscpus
os.devNullhttps://beta.docs.nodejs.org/os.html#osdevnull
os.endiannesshttps://beta.docs.nodejs.org/os.html#osendianness
os.freememhttps://beta.docs.nodejs.org/os.html#osfreemem
os.getPriorityhttps://beta.docs.nodejs.org/os.html#osgetprioritypid
os.homedirhttps://beta.docs.nodejs.org/os.html#oshomedir
os.hostnamehttps://beta.docs.nodejs.org/os.html#oshostname
os.loadavghttps://beta.docs.nodejs.org/os.html#osloadavg
os.machinehttps://beta.docs.nodejs.org/os.html#osmachine
os.networkInterfaceshttps://beta.docs.nodejs.org/os.html#osnetworkinterfaces
os.platformhttps://beta.docs.nodejs.org/os.html#osplatform
os.releasehttps://beta.docs.nodejs.org/os.html#osrelease
os.setPriorityhttps://beta.docs.nodejs.org/os.html#ossetprioritypid-priority
os.tmpdirhttps://beta.docs.nodejs.org/os.html#ostmpdir
os.totalmemhttps://beta.docs.nodejs.org/os.html#ostotalmem
os.typehttps://beta.docs.nodejs.org/os.html#ostype
os.uptimehttps://beta.docs.nodejs.org/os.html#osuptime
os.userInfohttps://beta.docs.nodejs.org/os.html#osuserinfooptions
os.versionhttps://beta.docs.nodejs.org/os.html#osversion
OS constantshttps://beta.docs.nodejs.org/os.html#os-constants
Signal constantshttps://beta.docs.nodejs.org/os.html#signal-constants
Error constantshttps://beta.docs.nodejs.org/os.html#error-constants
dlopen constantshttps://beta.docs.nodejs.org/os.html#dlopen-constants
Priority constantshttps://beta.docs.nodejs.org/os.html#priority-constants
libuv constantshttps://beta.docs.nodejs.org/os.html#libuv-constants

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