.bash_profile文件的作用(国外英文资料).doc

.bash_profile文件的作用(国外英文资料) The role of the./bash_profile file /etc/profile: this file sets the environment information for each user of the system. When the user logs in for the first time, the file is executed. The shell settings are collected from the configuration file in the /etc/profile.d directory /etc/bashrc: executes the file for each user who runs bash shell. When the bash shell is opened, the file is read ~/.bash_profile: each user can use the input file for their own use of the shell information, when users log in, the file is executed only once! By default, he set some environment variables, user.Bashrc file. ~/.bashrc: the file contains bash information dedicated to your bash shell, which is read when you log in and each time you open a new shell ~/.bash_logout: executes the file every time it exits the system (exiting bash shell) In addition, the variables (global) that are set in /etc/profile can act on any user, while variables such as ~/.bashrc (local) can only inherit variables in /etc/profile, and they are father son relationships ~/.bash_profile is interactive and login goes into Bash ~/.bashrc is interactive non-login mode and goes into Bash Usually the two settings are approximately the same, so the former usually calls the latter. The configuration of the bash prompt: If you can easily make shell prompt become colorful LAN and with more information, why insist on using standard shell monotonous prompt? In this tip, Daniel Robbins will show you how to get the shell prompt line that suits your will and how to dynamically update the title bar of the X terminal. As Linux/UNIX people, we have a long time working in shell, and in many cases, the following line is the one that always stares at us: Bash-2.04$ If you happen to be a super user (root), you have the right to use the following beautiful identity prompt line version: Bash-2.04# These tips arent very beautiful. Its no wonder that several versions of Linux have upgraded the default prompt lin