Linux chown命令详解
2023-09-11 14:20:11 时间
chown将指定文件的拥有者改为指定的用户或组,用户可以是用户名或者用户ID;组可以是组名或者组ID;文件是以空格分开的要改变权限的文件列表,支持通配符。
chown常见命令参数
Usage: chown [OPTION]... [OWNER][:[GROUP]] FILE... or: chown [OPTION]... --reference=RFILE FILE... Change the owner and/or group of each FILE to OWNER and/or GROUP. -c, --changes like verbose but report only when a change is made --dereference affect the referent of each symbolic link (this is the default), rather than the symbolic link itself -h, --no-dereference affect each symbolic link instead of any referenced file (useful only on systems that can change the ownership of a symlink) --from=CURRENT_OWNER:CURRENT_GROUP change the owner and/or group of each file only if its current owner and/or group match those specified here. Either may be omitted, in which case a match is not required for the omitted attribute. --no-preserve-root do not treat `/' specially (the default) --preserve-root fail to operate recursively on `/' -f, --silent, --quiet suppress most error messages --reference=RFILE use RFILE's owner and group rather than specifying OWNER:GROUP values -R, --recursive operate on files and directories recursively -v, --verbose output a diagnostic for every file processed The following options modify how a hierarchy is traversed when the -R option is also specified. If more than one is specified, only the final one takes effect. -H if a command line argument is a symbolic link to a directory, traverse it -L traverse every symbolic link to a directory encountered -P do not traverse any symbolic links (default) --help display this help and exit --version output version information and exit Examples: chown root /u Change the owner of /u to "root". chown root:staff /u Likewise, but also change its group to "staff". chown -hR root /u Change the owner of /u and subfiles to "root".
常用的命令展示
改变文件拥有者和群组
chown omd: h.txt 【默认是当前用户所在的属组】
chown omd:users h.txt
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