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Where is shell profile?
An interactive login shell is started after a successful login, using /bin/login , by reading the /etc/passwd file. This shell invocation normally reads /etc/profile and its private equivalent ~/. bash_profile (or ~/. profile if called as /bin/sh) upon startup.
What is profile in shell?
profile is loaded only when you login. The abbtreviation rc in bashrc stands for “run commands” or “run control” and is a convention adopted from older Unix systems. system-wide defaults for.. /etc/profile ..login shells, for interactive shells with login.
How to reload.profile in Bash shell script?
So you can use either two commands: In both cases this will update the environment with the contents of .profile file. In the first case this will create a subshell that will not affect the environment variables of your system and they will be visible only to the subshell process.
How to profile a bash shell script slow startup?
Using it saves you from spawning an external executable for every line and works on Macs or elsewhere that doesn’t have GNU date – as long as you have Bash 5, of course. Change the setting of PS4: As pointed out by @pawamoy, you can use BASH_XTRACEFD to send the output of the trace to a separate file descriptor if you have Bash 4.1 or later.
Where does the Bash shell script run in?
The bash script runs in a separate subshell. In order to make this work you will need to source this other script as well. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers.
How to reload / source ~ /.profile file?
A couple of issues arise when trying to reload/source ~/.profile file. [This refers to Ubuntu linux – in some cases the details of the commands will be different] Are you running this directly in terminal or in a script?