class Os

A string constant defining the operating system-specific end-of-line marker:

See also:

• https://nodejs.org/api/os.html#os_os_eol

Returns an object containing commonly used operating system specific constants for error codes, process signals, and so on. The specific constants currently defined are described in OS Constants.

See also:

• https://nodejs.org/api/os.html#os_os_constants

The os.arch() method returns a string identifying the operating system CPU architecture for which the Node.js binary was compiled.

See also:

• https://nodejs.org/api/os.html#os_os_arch

The os.cpus() method returns an array of objects containing information about each logical CPU core.

See also:

• https://nodejs.org/api/os.html#os_os_cpus

The os.endianness() method returns a string identifying the endianness of the CPU for which the Node.js binary was compiled.

See also:

• https://nodejs.org/api/os.html#os_os_endianness

The os.freemem() method returns the amount of free system memory in bytes as an integer.

See also:

• https://nodejs.org/api/os.html#os_os_freemem

The os.getPriority() method returns the scheduling priority for the process specified by pid. If pid is not provided, or is 0, the priority of the current process is returned.

See also:

• https://nodejs.org/api/os.html#os_os_getpriority_pid

The os.homedir() method returns the home directory of the current user as a string.

See also:

• https://nodejs.org/api/os.html#os_os_homedir

The os.hostname() method returns the hostname of the operating system as a string.

See also:

• https://nodejs.org/api/os.html#os_os_hostname

The os.loadavg() method returns an array containing the 1, 5, and 15 minute load averages.

See also:

• https://nodejs.org/api/os.html#os_os_loadavg

The os.networkInterfaces() method returns an object containing only network interfaces that have been assigned a network address.

See also:

• https://nodejs.org/api/os.html#os_os_networkinterfaces

The os.platform() method returns a string identifying the operating system platform as set during compile time of Node.js.

See also:

• https://nodejs.org/api/os.html#os_os_platform

The os.release() method returns a string identifying the operating system release.

See also:

• https://nodejs.org/api/os.html#os_os_release

The os.setPriority() method attempts to set the scheduling priority for the process specified by pid. If pid is not provided, or is 0, the priority of the current process is used.

See also:

• https://nodejs.org/api/os.html#os_os_setpriority_pid_priority

The os.tmpdir() method returns a string specifying the operating system's default directory for temporary files.

See also:

• https://nodejs.org/api/os.html#os_os_tmpdir

The os.totalmem() method returns the total amount of system memory in bytes as an integer.

See also:

• https://nodejs.org/api/os.html#os_os_totalmem

The os.type() method returns a string identifying the operating system name as returned by uname(3). For example, 'Linux' on Linux, 'Darwin' on macOS, and 'Windows_NT' on Windows.

See also:

• https://nodejs.org/api/os.html#os_os_type

The os.uptime() method returns the system uptime in number of seconds.

See also:

• https://nodejs.org/api/os.html#os_os_uptime

The os.userInfo() method returns information about the currently effective user — on POSIX platforms, this is typically a subset of the password file. The returned object includes the username, uid, gid, shell, and homedir. On Windows, the uid and gid fields are -1, and shell is null.

See also:

• https://nodejs.org/api/os.html#os_os_userinfo_options