nodejs模块-os模块

os.EOL

os.EOL 用来获取和具体操作系统相关的行结束符

os.arch()

os.arch() 获取当前系统的CPU架构，可能的返回值是：x64, arm 和 ia32。

os.cpus()

放回一个包含当前系统CPU信息的数组，如：

[
{
    "model": "Intel(R) Core(TM) i5-5257U CPU @ 2.70GHz", 
    "speed": 2700, 
    "times": {
        "user": 176720760, 
        "nice": 0, 
        "sys": 82254200, 
        "idle": 535195920, 
        "irq": 0
    }
}, 
{
    "model": "Intel(R) Core(TM) i5-5257U CPU @ 2.70GHz", 
    "speed": 2700, 
    "times": {
        "user": 76765780, 
        "nice": 0, 
        "sys": 30186250, 
        "idle": 687215360, 
        "irq": 0
    }
}, 
{
    "model": "Intel(R) Core(TM) i5-5257U CPU @ 2.70GHz", 
    "speed": 2700, 
    "times": {
        "user": 176613050, 
        "nice": 0, 
        "sys": 70448080, 
        "idle": 547106310, 
        "irq": 0
    }
}, 
{
    "model": "Intel(R) Core(TM) i5-5257U CPU @ 2.70GHz", 
    "speed": 2700, 
    "times": {
        "user": 79569910, 
        "nice": 0, 
        "sys": 30051190, 
        "idle": 684546240, 
        "irq": 0
    }
}

]

os.endianness()

判断当前系统是大端(BE)还是小端(LE)

os.freemem()

返回当前系统的空闲内存，单位是字节

os.homedir()

返回当前用户的home目录

os.hostname()

返回主机名

os.loadavg()

返回当前系统的平均负载，

os.networkInterfaces()

返回当前主机的网卡信息，如下：

{
"lo0": [
    {
        "address": "::1", 
        "netmask": "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", 
        "family": "IPv6", 
        "mac": "00:00:00:00:00:00", 
        "scopeid": 0, 
        "internal": true
    }, 
    {
        "address": "127.0.0.1", 
        "netmask": "255.0.0.0", 
        "family": "IPv4", 
        "mac": "00:00:00:00:00:00", 
        "internal": true
    }, 
    {
        "address": "fe80::1", 
        "netmask": "ffff:ffff:ffff:ffff::", 
        "family": "IPv6", 
        "mac": "00:00:00:00:00:00", 
        "scopeid": 1, 
        "internal": true
    }
], 
"en0": [
    {
        "address": "fe80::aebc:32ff:fe8a:183b", 
        "netmask": "ffff:ffff:ffff:ffff::", 
        "family": "IPv6", 
        "mac": "ac:bc:32:8a:18:3b", 
        "scopeid": 4, 
        "internal": false
    }, 
    {
        "address": "192.168.0.104", 
        "netmask": "255.255.255.0", 
        "family": "IPv4", 
        "mac": "ac:bc:32:8a:18:3b", 
        "internal": false
    }
], 
"awdl0": [
    {
        "address": "fe80::545c:5eff:fe6e:4847", 
        "netmask": "ffff:ffff:ffff:ffff::", 
        "family": "IPv6", 
        "mac": "56:5c:5e:6e:48:47", 
        "scopeid": 8, 
        "internal": false
    }
]

os.platform()

放回当前系统的平台，可能的返回值：darwin, freebsd, linux, sunos 或 win32。

os.release()

返回当前系统的版本信息

os.tmpdir()

返回当前系统的临时目录

os.totalmem()

返回当前系统总的内存大小

os.type()

返回当前系统的类型，如：Linux,Darwin,Windows_NT

os.uptime()

返回当前系统的运行时间，单位是秒