NAMEls- list directory contents SYNOPSISls[OPTION]... [FILE]... DESCRIPTION List information about the FILEs (the current directory by default). Sort entries alphabeticallyifnone of -cftuvSUX nor --sortis specified. Mandatory arguments to long options are mandatoryforshort options too. -a, --...
commands |tr [字符串1] [字符串2] tr [字符串1] [字符串2] <filename tr [参数] [字符串] <filename 13.2 参数选项 参数选项 注释说明 参数选项 注释说明 -d 删除字符串中出现的所有字符 -s 删除所有重复出现的字符序列只保留第一个 13.3 案例实践 案例1.查看/etc/passwd中每个单词出现的次数...
/ : this is root directory /bin : commands in this dir are all system installed user commands /sbin: commands in this dir are all system installed super user commands /usr/bin: user commands for applications /usr/sbin: super user commands for applications /usr/local/bin : application user ...
Linux directory hierarchy Figure 2-2. Linux directory hierarchy Here are the most important subdirectories in root: 以下是根目录中最重要的子目录: o /bin Contains ready-to-run programs (also known as an executables), including most of the basic Unix commands such as ls and cp. Most of the...
Create the DIRECTORY(ies), if they do not already exist. Mandatory arguments to long options are mandatory for short options too. -m, --mode=MODE set file mode (as in chmod), not a=rwx - umask -p, --parents no error if existing, make parent directories as needed ...
COMMANDs: align-check TYPE N check partition NforTYPE(min|opt)alignmenthelp[COMMAND]print general help, orhelpon COMMAND mklabel,mktable LABEL-TYPE create a new disklabel(partition table)mkpart PART-TYPE[FS-TYPE]START END make a partition ...
5.rmdir – Remove Directory rmdir <directory-name>删除给定的目录。 6.rm – Remove rm <file-name>会删除给定的文件或文件夹,可以使用rm -r <directory-name>递归删除文件夹 7.cp – Copy cp <destination-file>命令对文件或文件夹进行复制,可以使用cp -r <destination-folder> 选项来递归复制文件夹。
: No such file or directory 可以看到最后一行“can't run '/etc/initd/rcS': No such file or directory”,提示不存在该文件和目录,不能运行。说明根文件系统还缺少一些文件,后面继续完善。 5.3 eMMC挂载rootfs eMMC挂载方法跟SD卡是一样,这里就不详细讲解了,步骤如下: 格式化分区,第一个分区boot...
这些手册页中的信息按照特定的格式进行组织,通过统一的手册页浏览程序man进行阅读。例如,执行“manfile命令可以查看 file命令的手册页信息(file命令用于判断文件的类型),具体操作如下: [root@pd001 ~]# man file FILE(1) General Commands Manual FILE(1)...
cp path_of_files/* path_of_the_directory_where_you_want_to_copy/ 将一个文件从某个位置移动到另一个位置(尾斜杠是说放在该目录中): mv path_of_file_1 path_of_the_directory_where_you_want_to_move/ 将所有文件从一个位置移动到另一个位置: ...