コマンドプロンプト


コマンドプロンプトでよく使うコマンド

コマンド 説 明 使用例
ping ネットワーク的に到達できるかを調べる
ping 192.168.0.1 基本形
pint 192.168.0.1 -t 連続で打つ
pint 192.168.0.1 -l 1024 送るパケットのサイズを1024bitにする

ping /? (ヘルプ表示)
Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
[-r count] [-s count] [[-j host-list] | [-k host-list]]
[-w timeout] target_name

Options:
-t Ping the specified host until stopped.
To see statistics and continue - type Control-Break;
To stop - type Control-C.
-a Resolve addresses to hostnames.
-n count Number of echo requests to send.
-l size Send buffer size.
-f Set Don't Fragment flag in packet.
-i TTL Time To Live.
-v TOS Type Of Service.
-r count Record route for count hops.
-s count Timestamp for count hops.
-j host-list Loose source route along host-list.
-k host-list Strict source route along host-list.
-w timeout Timeout in milliseconds to wait for each reply.
ipconfig アダプタごとのTCP/IPの設定状態などを調べる ipconfig /? (ヘルプ表示)
USAGE:
ipconfig [/? | /all | /renew [adapter] | /release [adapter] |
/flushdns | /displaydns | /registerdns |
/showclassid adapter | /setclassid adapter [classid] ]
where
adapter Connection name
(wildcard characters * and ? allowed, see examples)
Options:
/? Display this help message
/all Display full configuration information.
/release Release the IP address for the specified adapter.
/renew Renew the IP address for the specified adapter.
/flushdns Purges the DNS Resolver cache.
/registerdns Refreshes all DHCP leases and re-registers DNS names
/displaydns Display the contents of the DNS Resolver Cache.
/showclassid Displays all the dhcp class IDs allowed for adapter.
/setclassid Modifies the dhcp class id.
The default is to display only the IP address, subnet mask and
default gateway for each adapter bound to TCP/IP.
For Release and Renew, if no adapter name is specified, then the IP address
leases for all adapters bound to TCP/IP will be released or renewed.
For Setclassid, if no ClassId is specified, then the ClassId is removed.
Examples:
> ipconfig ... Show information.
> ipconfig /all ... Show detailed information
> ipconfig /renew ... renew all adapters
> ipconfig /renew EL* ... renew any connection that has its name starting with EL
> ipconfig /release *Con* ... release all matching connections,
eg. "Local Area Connection 1" or
"Local Area Connection 2"
netstat TCP/IPのプロトコル・スタックの状態を調べる 使用例
nbtstat NBTの状態を調べる 使用例
tracert 各ルータまでのルータの状態などを調べる 使用例
nslookup DNSの状態を調べる 使用例
route ルーティング・テーブルの状態を調べる 使用例
arp ARPテーブルの状態を調べる 使用例
ftp ftpのクライアント・プログラム 使用例
telnet telnetのクライアント・プログラム
telnet 192.168.0.1 IPアドレス192.168.0.1の機器へtelnet接続

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