\u6211\u4eec\u5728Ubuntu 18.04 LTS\/Ubuntu 18.10\u7cfb\u7edf\u4e0a\u8fd0\u884c\u4e86\u672c\u6587\u4e2d\u63d0\u5230\u7684\u547d\u4ee4\u548c\u8fc7\u7a0b\u3002 \u7531\u4e8etouch\u547d\u4ee4\u662f\u547d\u4ee4\u884c\u5b9e\u7528\u7a0b\u5e8f\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u5728\u672c\u6587\u4e2d\u4f7f\u7528Ubuntu\u7ec8\u7aef\u3002 \u60a8\u53ef\u4ee5\u901a\u8fc7\u7cfb\u7edfDash\u6216Ctrl + Alt + T\u5feb\u6377\u65b9\u5f0f\u6253\u5f00\u7ec8\u7aef\u3002<\/p>\n

linuxidc@linuxidc:~\/linuxidc.com$ touch --help
\n\u7528\u6cd5\uff1atouch [\u9009\u9879]... \u6587\u4ef6...<\/strong>
\nUpdate the access and modification times of each FILE to the current time.<\/p>\n

A FILE argument that does not exist is created empty, unless -c or -h
\nis supplied.<\/p>\n

A FILE argument string of - is handled specially and causes touch to
\nchange the times of the file associated with standard output.<\/p>\n

\u5fc5\u9009\u53c2\u6570\u5bf9\u957f\u77ed\u9009\u9879\u540c\u65f6\u9002\u7528\u3002
\n-a\u00a0 \u00a0\u53ea\u66f4\u6539\u8bbf\u95ee\u65f6\u95f4
\n-c, --no-create\u00a0\u4e0d\u521b\u5efa\u4efb\u4f55\u6587\u4ef6
\n-d, --date=\u5b57\u7b26\u4e32\u00a0\u4f7f\u7528\u6307\u5b9a\u5b57\u7b26\u4e32\u8868\u793a\u65f6\u95f4\u800c\u975e\u5f53\u524d\u65f6\u95f4
\n-f\u00a0 \u00a0(\u5ffd\u7565)
\n-h, --no-dereference\u00a0 \u4f1a\u5f71\u54cd\u7b26\u53f7\u94fe\u63a5\u672c\u8eab\uff0c\u800c\u975e\u7b26\u53f7\u94fe\u63a5\u6240\u6307\u793a\u7684\u76ee\u7684\u5730
\n(\u5f53\u7cfb\u7edf\u652f\u6301\u66f4\u6539\u7b26\u53f7\u94fe\u63a5\u7684\u6240\u6709\u8005\u65f6\uff0c\u6b64\u9009\u9879\u624d\u6709\u7528)
\n-m\u00a0 \u00a0\u53ea\u66f4\u6539\u4fee\u6539\u65f6\u95f4
\n-r, --reference=FILE\u00a0 use this file's times instead of current time
\n-t STAMP\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 use [[CC]YY]MMDDhhmm[.ss] instead of current time
\n--time=WORD\u00a0 \u00a0 \u00a0 \u00a0 change the specified time:
\nWORD is access, atime, or use: equivalent to -a
\nWORD is modify or mtime: equivalent to -m
\n--help\u00a0 \u663e\u793a\u6b64\u5e2e\u52a9\u4fe1\u606f\u5e76\u9000\u51fa
\n--version\u00a0 \u663e\u793a\u7248\u672c\u4fe1\u606f\u5e76\u9000\u51fa<\/p>\n

\u8bf7\u6ce8\u610f\uff0c-d \u548c-t \u9009\u9879\u53ef\u63a5\u53d7\u4e0d\u540c\u7684\u65f6\u95f4\/\u65e5\u671f\u683c\u5f0f\u3002<\/strong><\/p>\n

1.\u4f7f\u7528touch\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u7a7a\u6587\u4ef6<\/strong><\/span><\/div>\n
touch\u547d\u4ee4\u6700\u7b80\u5355\u548c\u6700\u57fa\u672c\u7684\u7528\u6cd5\u662f\u901a\u8fc7\u547d\u4ee4\u884c\u521b\u5efa\u4e00\u4e2a\u7a7a\u6587\u4ef6\u3002 \u5982\u679c\u60a8\u662f\u7cbe\u901a\u7ec8\u7aef\u7684\u4eba\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5728\u547d\u4ee4\u884c\u4e2d\u5feb\u901f\u521b\u5efa\u65b0\u6587\u4ef6\uff1a<\/p>\n
$ touch \u201cfilename\u201d<\/pre>\n
\u793a\u4f8b:<\/p>\n
$ touch linuxidc<\/pre>\n
\u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u901a\u8fc7touch\u547d\u4ee4\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u201clinuxidc\u201d\u7684\u7a7a\u6587\u4ef6\u3002 \u7136\u540e\u6211\u4f7f\u7528ls\u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u4e2d\u662f\u5426\u5b58\u5728\u8be5\u6587\u4ef6\uff0c\u56e0\u4e3atouch\u547d\u4ee4\u4e0d\u4f1a\u63d0\u793a\u6587\u4ef6\u662f\u5426\u5df2\u521b\u5efa\u3002
\n $\"\"$ <\/p>\n
2.\u4f7f\u7528touch\u547d\u4ee4\u4e00\u6b21\u521b\u5efa\u591a\u4e2a\u6587\u4ef6<\/strong><\/span><\/div>\n
\u5c3d\u7ba1cat\u547d\u4ee4\u548c\u6807\u51c6\u91cd\u5b9a\u5411\u7b26\u53f7\u4e5f\u662f\u901a\u8fc7\u547d\u4ee4\u884c\u521b\u5efa\u6587\u4ef6\u7684\u65b9\u6cd5\uff0c\u4f46touch\u547d\u4ee4\u5177\u6709\u4f18\u52bf\uff0c\u56e0\u4e3a\u60a8\u53ef\u4ee5\u4e00\u6b21\u521b\u5efa\u591a\u4e2a\u6587\u4ef6\u3002 \u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u901a\u8fc7touch\u547d\u4ee4\u521b\u5efa\u591a\u4e2a\u6587\u4ef6\uff1a<\/p>\n
$ touch linuxidc1 linuxidc2 linuxidc3 \u2026.<\/pre>\n
\u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u901a\u8fc7touch\u547d\u4ee4\u540c\u65f6\u521b\u5efa\u4e86\u4e09\u4e2a\u6587\u4ef6\uff0c\u7136\u540e\u4f7f\u7528ls\u547d\u4ee4\u67e5\u770b\u8fd9\u4e9b\u6587\u4ef6\u7684\u5b58\u5728\uff1a<\/p>\n
$\"\"$ <\/p>\n
3.\u5f3a\u5236\u907f\u514d\u4f7f\u7528touch\u547d\u4ee4\u521b\u5efa\u65b0\u6587\u4ef6<\/strong><\/span><\/div>\n
\u6709\u65f6\uff0c\u5982\u679c\u65b0\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5219\u9700\u8981\u907f\u514d\u521b\u5efa\u65b0\u6587\u4ef6\u3002 \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528touch\u547d\u4ee4\u4f7f\u7528'-c'\u9009\u9879\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
$ touch -c \u201cfilename\u201d<\/pre>\n
\u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4f7f\u7528touch\u547d\u4ee4\u907f\u514d\u521b\u5efa\u4e0a\u8ff0\u65b0\u6587\u4ef6\u3002<\/p>\n
touch -c linuxidc<\/pre>\n
\u5f53\u6211\u4f7f\u7528ls\u547d\u4ee4\u5217\u51fa\u8be5\u6587\u4ef6\u65f6\uff0c\u4ee5\u4e0b\u8f93\u51fa\u5c06\u9a8c\u8bc1\u6211\u7684\u7cfb\u7edf\u4e2d\u662f\u5426\u5b58\u5728\u6b64\u7c7b\u6587\u4ef6\u3002<\/p>\n
$\"\"$
\n4.\u66f4\u6539\u6587\u4ef6\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u65f6\u95f4<\/strong><\/span><\/p>\n
touch\u547d\u4ee4\u7684\u53e6\u4e00\u4e2a\u7528\u9014\u662f\u66f4\u6539\u6587\u4ef6\u7684\u8bbf\u95ee\u65f6\u95f4\u548c\u4fee\u6539\u65f6\u95f4\u3002<\/p>\n
\u8ba9\u6211\u4eec\u4e3e\u4e00\u4e2a\u4f8b\u5b50\u6765\u8bf4\u660e\u5982\u4f55\u505a\u5230\u8fd9\u4e00\u70b9\u3002 \u6211\u901a\u8fc7touch\u547d\u4ee4\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u201clinuxmi\u201d\u7684\u6587\u4ef6\uff0c\u5e76\u901a\u8fc7stat\u547d\u4ee4\u67e5\u770b\u4e86\u5b83\u7684\u7edf\u8ba1\u4fe1\u606f\uff1a<\/p>\n
$\"\"$ <\/p>\n
\u7136\u540e\u6211\u8f93\u5165\u4e86\u4ee5\u4e0btouch\u547d\u4ee4\uff1a<\/p>\n
$ touch linuxmi<\/pre>\n
\u6b64touch\u547d\u4ee4\u5c06\u8bbf\u95ee\u548c\u4fee\u6539\u65f6\u95f4\u66f4\u6539\u4e3a\u518d\u6b21\u4e3a\u201clinuxmi\u201d\u8fd0\u884ctouch\u547d\u4ee4\u7684\u65f6\u95f4\u3002 \u60a8\u53ef\u4ee5\u5728\u4e0b\u4e0a\u56fe\u4e2d\u770b\u5230\u66f4\u6539\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u65f6\u95f4\u3002<\/p>\n
5.\u66f4\u6539\u8bbf\u95ee\u65f6\u95f4\u6216\u4fee\u6539\u65f6\u95f4<\/strong><\/span><\/div>\n
\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u4ec5\u901a\u8fc7touch\u547d\u4ee4\u66f4\u6539\u5176\u4e2d\u4e00\u4e2a\uff0c\u800c\u4e0d\u662f\u66f4\u6539\u8bbf\u95ee\u548c\u4fee\u6539\u65f6\u95f4\u3002<\/p>\n
\u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u201clinuxidc\u201d\u7684\u6587\u4ef6\uff0c\u5e76\u901a\u8fc7stat\u547d\u4ee4\u67e5\u770b\u7edf\u8ba1\u4fe1\u606f\uff1a<\/p>\n
$\"\"$ <\/p>\n
\u6211\u53ef\u4ee5\u901a\u8fc7\u6b64\u6587\u4ef6\u4e0a\u7684touch\u547d\u4ee4\u4f7f\u7528'-a'\u9009\u9879\u6765\u4ec5\u66f4\u6539\u6b64\u6587\u4ef6\u7684\u8bbf\u95ee\u65f6\u95f4\uff1a<\/p>\n
$ touch -a linuxidc<\/pre>\n
stat\u547d\u4ee4\u7684\u8f93\u51fa\u73b0\u5728\u663e\u793a\u8bbf\u95ee\u65f6\u95f4\u5df2\u66f4\u6539\u4e3a\u6211\u4f7f\u7528'-a'\u9009\u9879\u8fd0\u884ctouch\u547d\u4ee4\u7684\u65f6\u95f4\uff1a<\/p>\n
$\"Linux$ <\/p>\n
\u6211\u53ef\u4ee5\u901a\u8fc7\u6b64\u6587\u4ef6\u4e0a\u7684touch\u547d\u4ee4\u4f7f\u7528'-m'\u9009\u9879\u4ec5\u66f4\u6539\u6b64\u6587\u4ef6\u7684\u4fee\u6539\u65f6\u95f4\uff1a<\/p>\n
$ touch -m linuxidc<\/pre>\n
stat\u547d\u4ee4\u7684\u8f93\u51fa\u73b0\u5728\u663e\u793a\u4fee\u6539\u65f6\u95f4\u5df2\u66f4\u6539\u4e3a\u4f7f\u7528'-m'\u9009\u9879\u8fd0\u884ctouch\u547d\u4ee4\u7684\u65f6\u95f4\uff1a<\/p>\n
$\"Linux$ <\/p>\n
6.\u5982\u4f55\u5c06\u8bbf\u95ee\u548c\u4fee\u6539\u65f6\u95f4\u4ece\u4e00\u4e2a\u6587\u4ef6\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u6587\u4ef6<\/strong><\/span><\/div>\n
\u6211\u4eec\u5047\u8bbe\u6709\u4e00\u4e2a\u540d\u4e3alinuxidcA\u7684\u6587\u4ef6\uff1a<\/p>\n
$\"Linux$ <\/p>\n
\u53e6\u4e00\u4e2a\u540d\u4e3alinuxidcB\u7684\u6587\u4ef6\uff1a<\/p>\n
$\"Linux$ <\/p>\n
\u5982\u679c\u8981\u5c06linuxidcA\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u65f6\u95f4\u66f4\u6539\u4e3alinuxidcB\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u65f6\u95f4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0btouch\u547d\u4ee4\uff1a<\/p>\n
$ touch linuxidcA -r sampleFileB<\/pre>\n
$\"Linux$ <\/p>\n
\u4e0a\u56fe\u4e2dstat\u547d\u4ee4\u7684\u8f93\u51fa\u663e\u793alinuxidcA\u73b0\u5728\u5177\u6709\u4e0esamplefileB\u76f8\u540c\u7684\u8bbf\u95ee\u548c\u4fee\u6539\u503c\u3002<\/p>\n
7.\u4f7f\u7528\u6307\u5b9a\u7684\u65f6\u95f4\u6233\u521b\u5efa\u65b0\u6587\u4ef6<\/strong><\/span><\/div>\n
\u8981\u521b\u5efa\u5177\u6709\u6307\u5b9a\u65f6\u95f4\u6233\u7684\u65b0\u7a7a\u6587\u4ef6\u800c\u4e0d\u662f\u521b\u5efa\u5b83\u7684\u5b9e\u9645\u65f6\u95f4\uff0c\u53ef\u4ee5\u4f7f\u7528touch\u547d\u4ee4\u7684\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n
$ touch -t YYMMDDHHMM.SS \u201cfilename\u201d<\/pre>\n
\u4ee5\u4e0b\u793a\u4f8b\u663e\u793a\u4e86\u6211\u7684linuxidc\u4e0a\u7684stat\u547d\u4ee4\u5982\u4f55\u663e\u793a\u5176\u8bbf\u95ee\u548c\u4fee\u6539\u65f6\u95f4\u662f\u57fa\u4e8e\u6211\u901a\u8fc7touch\u547d\u4ee4\u521b\u5efa\u65f6\u63d0\u4f9b\u7684\u65f6\u95f4\u6233\uff1a
\n\u521b\u5efa\u5177\u6709\u6307\u5b9a\u65f6\u95f4\u6233\u7684\u65b0\u6587\u4ef6<\/p>\n
touch -t 2006151230.30 linuxidc<\/pre>\n
$\"\"$ <\/p>\n
8.\u5c06\u6587\u4ef6\u7684\u65f6\u95f4\u6233\u66f4\u6539\u4e3a\u5176\u4ed6\u65f6\u95f4<\/strong><\/span><\/div>\n
\u60a8\u53ef\u4ee5\u4f7f\u7528touch\u547d\u4ee4\u7684\u4ee5\u4e0b\u8bed\u6cd5\u5c06\u73b0\u6709\u6587\u4ef6\u7684\u65f6\u95f4\u6233\u66f4\u6539\u4e3a\u5176\u4ed6\u65f6\u95f4\uff1a<\/p>\n
$ touch -c -t YYMMDDHHMM.SS \u201cfilename\u201d<\/pre>\n
touch -c -t 2008191130.30 linuxidc<\/pre>\n
\u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u901a\u8fc7touch\u547d\u4ee4\u66f4\u6539\u4e86\u73b0\u6709\u6587\u4ef6\u7684\u65f6\u95f4\u6233\uff0c\u7136\u540e\u901a\u8fc7\u8be5\u793a\u4f8b\u6587\u4ef6\u4e0a\u7684stat\u547d\u4ee4\u9a8c\u8bc1\u4e86\u66f4\u6539\uff1a
\n $\"\"$
\n\u5c06\u6587\u4ef6\u7684\u65f6\u95f4\u6233\u66f4\u6539\u4e3a\u5176\u4ed6\u65f6\u95f4
\n\u901a\u8fc7\u6211\u4eec\u5728\u672c\u6587\u4e2d\u4ecb\u7ecd\u7684\u57fa\u672c\u4f46\u6709\u7528\u7684\u573a\u666f\uff0c\u60a8\u53ef\u4ee5\u5f00\u59cb\u638c\u63e1touch\u547d\u4ee4\u5e76\u4f7f\u7528\u5b83\u901a\u8fc7Linux\u547d\u4ee4\u884c\u5feb\u901f\u6267\u884c\u4e00\u4e9b\u770b\u4f3c\u590d\u6742\u7684\u4efb\u52a1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5bfc\u8bfb Linux touch\u547d\u4ee4\u4e0d\u4ec5\u53ef\u4ee5\u7528\u4e8e\u5728Linux\u4e0a\u521b\u5efa\u7a7a\u6587\u4ef6\u3002 \u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u66f4\u6539\u73b0\u6709\u6587\u4ef6\u7684\u65f6\u95f4\u6233\uff0c\u5305 […]<\/p>\n","protected":false},"author":323,"featured_media":111537,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-126591","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/126591","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/323"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=126591"}],"version-history":[{"count":8,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/126591\/revisions"}],"predecessor-version":[{"id":127098,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/126591\/revisions\/127098"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/111537"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=126591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=126591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=126591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}