ll 鐨勫悇绉嶅彂闊 銆
鍦ㄨタ鐝墮璇強鍔犳嘲闅嗗凹浜氳锛宭l琚敤鏉ユ懡绀/?/ 杩欎釜鍙戦煶銆傝繖涓闊冲湪瑗跨彮鐗欑殑鍏朵粬鍦板尯浼氳璇讳綔浣/j/鎴/?/銆傝繃鍘烩渓l鈥濋兘琚綋浣滀竴涓崟涓瀛楁瘝锛屼絾鍦1998骞村拰瀛楁瘝ch涓璧疯瑗跨彮鐗欑瀛﹂櫌鍙栨秷銆傚鏂1998骞翠互鍓嶇殑鎺掑簭鏂瑰紡锛屾垜浠О涔嬩负鈥滀紶缁熻タ鐝墮璇帓搴忊濓紝鑰岀幇浠ｄ笉鎶娾渓l鈥濆拰鈥渃h鈥濅綔鐗规畩澶勭悊鐨勬帓搴忥紝鎴戜滑绉颁箣涓衡滅幇浠ｈタ鐝墮璇帓搴忊濄
闃垮皵宸村凹浜氳鐨勬儏鍐靛拰瑗跨彮鐗欒鐩稿弽锛氳櫧鐒垛渓l鈥濆湪闃垮皵宸村凹浜氳浜︽槸褰撲綔涓涓瓧姣嶅鐞嗭紝浣嗛樋灏斿反灏间簹璇殑鈥渓l鈥濆嵈鏄敤鏉ユ爣绀/l/闊筹紝鍙嶈屸渓鈥濇墠鏄敤鏉ユ爣绀烘粦闊/?/鐨勫瓧姣嶃
鍦ㄥ▉灏旀柉璇噷锛宭l 浠ｈ〃涓绉嶆棤澹拌竟鎿﹂煶锛屽浗闄呴煶鏍囧皢瀹冩嫾涓轰竴涓甫鏈夌粨鐨 l锛/?/锛夛紝杩欎釜闊冲湪璁稿鍦板悕涓兘浼氬嚭鐜帮紝鍥犱负濞佸皵鏂鐨 llan 姝ｆ槸銆屾暀鍫傘嶇殑鎰忔濓紙濡 Llanelli銆屽湥鑹惧埄鏁欏爞銆嶏級锛屼篃鍥犳杩欎簺鍦板悕甯稿緢绯熺硶鍦拌鑻辫浣跨敤鑰呭彂閿欙紝灏ゅ叾鏄偅浜涗笉鏄綇鍦ㄨ嫳鍥芥湰宀涚殑浜恒
姝ら煶鍦ㄥ叾浠栬瑷涓殑鎷兼硶锛
tl锛氱撼鐡﹁嵎璇
?锛坙 鍔犵‖闊崇鍙凤級锛氬灏旂淮浜氳鍜岄┈鍏堕】璇
lh锛氬悍鐡﹀皵璇佽緵杈炬灄
hl锛氭槅闆
linux鍛戒护
ll锛歀inux鎿嶄綔绯荤粺涓嬬殑鈥滃垪琛ㄢ濆懡浠わ紝鐢ㄩ旓細灏嗗綋鍓嶇洰褰曠殑鏂囦欢鍗囧簭鎴栭檷搴忓垪涓惧嚭鏉ャ
鍦–ent OS涓紝榛樿鍒╃敤alias ll = 鈥榣s -l 鈥欙紝浠ュ垪琛ㄧ殑鏂瑰紡鏄剧ず鏂囦欢鍚嶃侀摼鎺ユ暟鐩佹墍鏈夎呫佺粍銆佸ぇ灏忥紙鎸夊瓧鑺傦級鍜屾瘡涓枃浠舵渶杩戜竴娆′慨鏀规椂闂淬
鐢ㄦ硶锛 ll 锛峵 鏄崌搴忥紝
ll 锛峵 | tac 灏辨槸闄嶅簭
绉熺敤绾胯矾
LL锛圠eased Line 锛夎繕鏈夌鐢ㄧ嚎璺殑鎰忔濓紝鎸囦粠鐢佃瘽鍏徃绉熺敤鐨勭數璇濈嚎璺紝浠ユ彁渚涗粠灞鍩熺綉(LAN)鑷 Internet鏈嶅姟鎻愪緵鑰( service provider)锛屾垨鍒板箍鍩熺綉(WAN)鐨勬案涔呰繛鎺ャ
缃戠粶姒傚康
LL灞傦細 閫昏緫灞 Logic Layer
LL灞傦細 閾捐矾灞 Link Layer (Date Link Layer 鏁版嵁閾捐矾灞)
姝屾墜濮撳悕绠绉
LL锛氳嫳鍥藉コ姝屾墜涓藉畨濞溌峰垬鏄撴柉濮撳悕鐨勭畝绉帮紙Leona Lewis锛
寤虹瓚鍥剧焊鏍囨敞
LL锛氳繛姊佺殑鏍囪锛屼篃鏈夌敤鏉ユ爣璁版姊
LL:Land Lines 璺笂閫氫俊锛堣繍杈擄級绾胯矾