Newcomers need to know the basics of Linux

This article mainly discusses the basic knowledge of the Linux system and several basic features that novices need to understand about Linux. I hope everyone can better use the Linux system in the future.

1, Linux is a case-sensitive system

2, the entire system-wide settings are generally placed in the directory /etc.

3, the file name can have up to 256 characters, can contain numbers, dot number & rdquo;. & rdquo;, underline & rdquo; _ & rdquo;, cross bar & rdquo; - & rdquo;, plus some other is not recommended The characters used.

4, “ /& rdquo; is equal to DOS under the "\\" rdquo (the root directory, meaning the parent directory of all other directories, or between the directory and between the directory and the file Interval symbol). For example, cd /usr/doc.

5, under the Linux system, all directories are displayed in a single directory tree (different from the DOS system drive identifier). This means that all files and directories on all physical devices are combined under a single directory tree.

6. Command parameter options are generally guided by ”-” followed by a character (or ”--“ when the option exceeds one character). In this way, ”-” is a bit like DOS”/”. For example, enter the command rm --help.

7. Files with ”.” in front of the file name are generally not displayed when you enter the ”ls” or ”dir” command. You can think of these files as implied files, but you can also use the command ”ls -a” to display these files.

8. Similar to other multi-user operating systems, under Linux, files and directories have their own owners and access rights. In general, you are only allowed files to be in your home directory (/home/your_user_login_name).

9, in the configuration file, the line beginning with # is a comment line. Try not to delete the old settings when modifying the configuration file - you can add the original settings to "#” into a comment line, and always add some comments about the changes in the modified place.

10, Linux is an inherited multi-user operating system. Your personal settings (and other user's personal settings) are placed in your home directory (usually /home/your_user_login_name). Many of the configuration file names begin with ”.” so that users generally do not see these files.