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2.17 File Modes and Permissions(文件模式和权限) Every Unix file has a set of permissions that determine whether you can read, write, or run the file. Running ls -l displays the permissions. Here’s an example of such a display: 每个Unix文件都有一组权限,确定您是否可以读取、写入或运行该文...
-f, --file-system sync the file systems that contain the files --help display this help and exit --version output version information and exit GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Full documentation at: <http://www.gnu.org/software/coreutils/sync> or availa...
等于0时等同--summarize --si 类似-h,但在计算时使用1000 为基底而非1024 --time 显示目录或该目录子目录下所有文件的最后修改时间 --time=WORD 显示WORD时间,而非修改时间:atime,access,use,ctime 或status --time-style=样式 按照指定样式显示时间(样式解释规则同"date"命令):full-iso,long-iso,iso,+FORMA...
第2 章 Basic Commands and Directory Hierarchy(基本命令和目录层次结构) This chapter is a guide to the Unix commands and utilities that will be referenced throughout this book. This is preliminary material, and you may already know a substantial amount of it. Even if you think you’re up to...
--abstract-unix-socket <path>Connect via abstract Unix domain socket--alt-svc <filename> Enable alt-svc with this cachefile--anyauth Pick any authentication method-a, --append Append to targetfilewhen uploading--basic Use HTTP Basic Authentication--cacert <file>CA certificate to verify peer ...
tar 名字来自 "tape archive"(磁带归档),最初用于将文件打包到磁带设备中,但现在已成为Linux 和 Unix 系统中用于归档文件和目录的强大命令行工具,广泛应用于文件系统中打包和压缩文件。 tar通常用于备份个人或系统文件来创建存档,称为 "tarball"(通常带有 .tar 扩展名),特别是在进行可能需要撤消的更改之前,例如,Li...
563 564 For full documentation on the configuration files, see the file 565 Documentation/kbuild/kconfig-language.txt. 566 567 568 Chapter 11: Data structures 569 570 Data structures that have visibility outside the single-threaded 571 environment they are created and destroyed in should always ...
Omitting frame pointers isanevil compiler optimization that breaks debuggers,andsadly, is oftenthedefault. Without them, you may see incomplete stacksfromperf_events, like seenintheearlier sshd symbols example. There aretwowaystofix this:
-f does full-format listing. This option can be combined with many other UNIX-style options to add additional columns. It also causes the command arguments to be printed. When used with -L, the NLWP (number of threads) and LWP (thread ID) columns will be added. See ...