Ls is another linux Command that I think is most commonly used. The main function is to list the file/directory information under a directory. Ls lists the files/directories in the current directory, excluding files starting with "." And sorted by file names. Ls -- help can be used to view all parameters of the ls command. This will not be pasted here. Only list the ones that are considered more common. Ls-a displays all projects in the current directory, including those starting. Ls-A is less than-. Www.2cto.com ls-R: expand all folders from the current directory. This command sorts the modification time by ls-t compared to ls. Ls-l lists detailed information such as the file type (file or folder), permission, and number of hard links in the file), owner, group, size, modification time, and file name. Ls-F attaches a character to each file name to indicate the file type. "*" Indicates the executable file, "/" indicates the directory, "@" indicates the soft connection file, "|" indicates the OS, and "=" indicates the socket. Author: CrazyNemo