{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Foknknic.hatenadiary.org%2Fentry%2F20121201%2F1354338257\" title=\"UNIX \u30b7\u30a7\u30eb\u5909\u6570\u3068\u74b0\u5883\u5909\u6570\u306b\u3064\u3044\u3066 - oknknic\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://oknknic.hatenadiary.org/","published":"2012-12-01 14:04:17","url":"https://oknknic.hatenadiary.org/entry/20121201/1354338257","blog_title":"oknknic\u306e\u65e5\u8a18","title":"UNIX \u30b7\u30a7\u30eb\u5909\u6570\u3068\u74b0\u5883\u5909\u6570\u306b\u3064\u3044\u3066","image_url":null,"provider_name":"Hatena Blog","provider_url":"https://hatena.blog","author_name":"oknknic","author_url":"https://blog.hatena.ne.jp/oknknic/","categories":["UNIX","Linux"],"width":"100%","height":"190","description":"\u300cUNIX\u30b3\u30de\u30f3\u30c9 \u30c6\u30ad\u30b9\u30c8\u51e6\u7406\u3092\u8272\u3005\u8a66\u3057\u3066\u307f\u305f\uff12 \u301cAWK\u301c - oknknic\u306e\u65e5\u8a18\u300d\u306b\u5f15\u304d\u7d9a\u304dUNIX\u30b3\u30de\u30f3\u30c9\u30cd\u30bf\u3002 B\u30b7\u30a7\u30eb\u7cfb\u306b\u304a\u3051\u308b\u5909\u6570\u306b\u3064\u3044\u3066\u6574\u7406\u3002 \u52d5\u4f5c\u78ba\u8a8d\u306fFedora\u306ebash\u74b0\u5883\u306b\u3066\u3002 \u30b7\u30a7\u30eb\u5909\u6570\u3068\u74b0\u5883\u5909\u6570 \u30b7\u30a7\u30eb\u5909\u6570\uff1a\u305d\u306e\u30b7\u30a7\u30eb\u5185\u3067\u306e\u307f\u6709\u52b9\u306a\u5909\u6570 \u74b0\u5883\u5909\u6570 \uff1a\u305d\u306e\u30b7\u30a7\u30eb\u5185\u3068\u3001\u30b7\u30a7\u30eb\u304b\u3089\u5b9f\u884c\u3057\u305f\u30b3\u30de\u30f3\u30c9\u5185\u3067\u6709\u52b9\u306a\u5909\u6570 \u5909\u6570\u4e00\u89a7\u8868\u793a set \uff1a \u30b7\u30a7\u30eb\u5909\u6570\u306e\u8868\u793a\uff08\u5f15\u6570\u306a\u3057\u3067\u5b9f\u884c\u3057\u305f\u5834\u5408\uff09 env \uff1a \u74b0\u5883\u5909\u6570\u306e\u8868\u793a\uff08\u5f15\u6570\u306a\u3057\u3067\u5b9f\u884c\u3057\u305f\u5834\u5408\u3002printenv\u3068\u540c\u3058\u5185\u5bb9\uff09 \u5909\u6570\u306e\u8a2d\u5b9a \u30b7\u30a7\u30eb\u5909\u6570\u306e\u8a2d\u5b9a\u3001\u524a\u9664 SHELL_VAR=VAL unset SHELL_VAR \u30b7\u30a7\u30eb\u5909\u6570\u3092\u2026","version":"1.0","type":"rich"}