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linux switch user command

Linux user switching commands include su, sudo, su -l, login, su -s, etc. This topic provides you with various articles, downloads and courses related to Linux switching user commands.

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time：2023-08-10 11:43:05

what is ed?ED is a line editor for Unix and Unix-like operating systems. It was one of the first parts of the Unix operating system developed in August 1969. It is still part of the POSIX and Open Group standards for Unix-based operating systems, and More complex full screen editing vi.
What are the linux switching user commands?Linux user switching commands include su, sudo, su -l, login, su -s, etc. Detailed introduction: 1. The su command can switch to other user accounts and allow you to continue operating under this user account. When using the su command, you need to enter the user account and password you want to switch to; 2. The sudo command can allow ordinary The user executes commands as a super user. It is usually used when ordinary users need to execute commands that require administrator privileges. When using the sudo command, they need to enter their own password; 3. su -l command, etc.
What are Linux command permissions?1.Linux command to switch user -su (full process: switchuser) 1.1 Brief description In the operating system, a user cannot do whatever he wants, which will make the security of the system unable to be guaranteed. Therefore, with the division of operating permissions, in Linux There are two types of users in the system: administrator users (root) and ordinary users; the su command allows an ordinary user to switch to a super user or other users, and can temporarily possess the permissions of the switched user. 1.2su command [san@San~]$surootPassword:[root@Sansan]#Note: When the su command switches users, you need to enter the password of the target user to switch successfully. 2.Li
There are several types of Linux commands There are two types of Linux commands: 1. Internal commands (shell commands), which are recognized by the shell program and run inside the shell program; they are transferred into the memory when the system starts and are resident in the memory, so the execution efficiency is high. 2. External commands (file system commands) are programs outside of the bash shell and are software functions of the system. They are read from the hard disk into the memory when the user needs them.
What is the linux command console called?The Linux command console is called "console"; the terminal that displays system messages is called a console. In Linux, all virtual terminals are consoles by default and can display system messages; in addition, for those programs specifically designed to simulate terminal devices, We can also call it "Console".

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