The/etc/passwd file contains a list of all system user accounts and basic configuration information for each user
User name: Password: uid:gid: User's full name: User's default working directory: User Default shell program
By default, the bash shell automatically processes commands in the. bashrc file under the user's home directory when it starts.
It often sets the environment variables used in various applications.
"~" is a thumbnail representation of the home directory
PS1: Controlling the format of the default command-line prompt
PS2: Controlling the format of subsequent command-line prompts
All prompt special characters start with a backslash (\).
The man command is used to access the manual pages stored on the Linux system.
Name displays the names and descriptions of the commands
Synopsis display the format of the command
Description describes the options for each command
Author provides information about the command developer
Reporting Bugs provides a way to submit bug reports
Copyright status of the source code of the command provided by copyright
See Also recommended for similar commands
Space Bar Page
Linux Learning notes basic bash shell commands