{"id":11991,"date":"2026-10-01T13:13:32","date_gmt":"2026-10-01T04:13:32","guid":{"rendered":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=11991"},"modified":"2026-10-01T13:13:32","modified_gmt":"2026-10-01T04:13:32","slug":"c-umask0-%ed%95%a8%ec%88%98%ec%9d%98-%eb%b3%b4%ec%95%88-%ec%9c%84%ed%97%98%ec%84%b1","status":"publish","type":"post","link":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=11991","title":{"rendered":"C – umask(0) \ud568\uc218\uc758 \ubcf4\uc548 \uc704\ud5d8\uc131"},"content":{"rendered":"

C – umask(0) \ud568\uc218\uc758 \ubcf4\uc548 \uc704\ud5d8\uc131<\/h1>\n

C \uc5b8\uc5b4\uc5d0\uc11c umask(0);<\/code> \uba85\ub839\uc744 \uc0ac\uc6a9\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \ubcf4\uc548 \uc704\ud5d8\uc131\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n

\uc0ac\uc804\uc9c0\uc2dd<\/h2>\n

\uc720\ub2c9\uc2a4 \uccb4\uc81c\uc5d0\uc11c 1 \uc740 \uc2e4\ud589\uad8c\ud55c, 2 \ub294 \uc4f0\uae30\uad8c\ud55c, 4 \ub294 \uc77d\uae30\uad8c\ud55c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.
\n\uc608\ub97c\ub4e4\uc5b4,<\/p>\n

\uad8c\ud55c\uc774 644 \uc778 \uacbd\uc6b0,
\n6 = 2 + 4 = \uc4f0\uae30\/\uc77d\uae30 \uad8c\ud55c.<\/p>\n

\uad8c\ud55c\uc774 755 \uc778 \uacbd\uc6b0,
\n7 = 1 + 2 + 4 = \uc2e4\ud589\/\uc4f0\uae30\/\uc77d\uae30 \uad8c\ud55c
\n5 = 1 + 4 = \uc2e4\ud589\/\uc77d\uae30 \uad8c\ud55c<\/p>\n

\uc774 \ub429\ub2c8\ub2e4.<\/p>\n

\uae30\ub2a5<\/h2>\n

\uc77c\ubc18\uc801\uc73c\ub85c umask \ub294 \uc0dd\uc131\ub418\ub294 \ud30c\uc77c\uc758 \uad8c\ud55c\uc744 \uae4e\uc544 \ub0b4\ub9ac\ub294 \uc6a9\ub3c4\ub85c \uc4f0\uc785\ub2c8\ub2e4.
\n\uc608\ub97c \ub4e4\uc5b4, umask\uac00 0022 \ub85c \uc124\uc815\ub418\uc5b4 \uc788\uc73c\uba74 \uadf8\ub8f9\uacfc \uae30\ud0c0 \uc0ac\uc6a9\uc790\uc5d0 \ub300\ud574 \uc4f0\uae30 \uad8c\ud55c\uc744 \uc81c\uac70\ud574 \uc90d\ub2c8\ub2e4.<\/p>\n

umask(0);<\/code> \uc124\uc815\uc744 \ud558\uac8c \ub418\uba74, \uc774\ub7ec\ud55c \uad8c\ud55c \uc81c\uac70\ub97c \uc804\ubd80 \uc5c6\uc560\ubc84\ub9bd\ub2c8\ub2e4.<\/p>\n

\ubb38\uc81c\uc810<\/h2>\n

\uc77c\ubc18\uc801\uc778 C \ud30c\uc77c \uc0dd\uc131\ud568\uc218\ub294 \ub514\ud3f4\ud2b8\ub85c 666 \uc758 \uad8c\ud55c\uc774 \ubd80\uc5ec\ub429\ub2c8\ub2e4.
\n\uc989, \uc544\ubb34\ub098 \uc77d\uace0 \uc4f8 \uc218 \uc788\ub294 \ud30c\uc77c\uc744 \uc0dd\uc131\ud558\uac8c \ub429\ub2c8\ub2e4.
\n\ud3f4\ub354\uc758 \uc704\uce58\uc640 \ud30c\uc77c\uba85\ub9cc \uc54c\uac8c \ub41c\ub2e4\uba74 \ub204\uad6c\ub098 \ud30c\uc77c\uc758 \ub0b4\uc6a9\uc744 \uc77d\uace0 \ubcc0\uc870\ud560 \uc218 \uc788\uac8c \ub429\ub2c8\ub2e4.<\/p>\n

\ud574\uacb0\ucc45<\/h2>\n
umask(0027);<\/code><\/pre>\n
\uc704 \uba85\ub839\uc744 \uc2e4\ud589\ud568\uc73c\ub85c \ud574\uc11c, \uadf8\ub8f9 \uc0ac\uc6a9\uc790\uc5d0\uac8c\ub294 \ub514\ud3f4\ud2b8\ub85c \uc4f0\uae30 \uad8c\ud55c\uc744 \uc81c\uac70\ud558\uace0,
\n\uae30\ud0c0 \uc0ac\uc6a9\uc790\uc5d0\uac8c\ub294 \ubaa8\ub4e0 \uad8c\ud55c\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
C – umask(0) \ud568\uc218\uc758 \ubcf4\uc548 \uc704\ud5d8\uc131 C \uc5b8\uc5b4\uc5d0\uc11c umask(0); \uba85\ub839\uc744 \uc0ac\uc6a9\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \ubcf4\uc548 \uc704\ud5d8\uc131\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \uc0ac\uc804\uc9c0\uc2dd \uc720\ub2c9\uc2a4 \uccb4\uc81c\uc5d0\uc11c 1 \uc740 \uc2e4\ud589\uad8c\ud55c, 2 \ub294 \uc4f0\uae30\uad8c\ud55c, 4 \ub294 \uc77d\uae30\uad8c\ud55c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc608\ub97c\ub4e4\uc5b4, \uad8c\ud55c\uc774 644 \uc778 \uacbd\uc6b0, 6 = 2 + 4 = \uc4f0\uae30\/\uc77d\uae30 \uad8c\ud55c. \uad8c\ud55c\uc774 755 \uc778 \uacbd\uc6b0, 7 = 1 + 2 + 4 = \uc2e4\ud589\/\uc4f0\uae30\/\uc77d\uae30\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-11991","post","type-post","status-publish","format-standard","hentry","category-devops"],"_links":{"self":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/11991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11991"}],"version-history":[{"count":1,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/11991\/revisions"}],"predecessor-version":[{"id":11992,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/11991\/revisions\/11992"}],"wp:attachment":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}