How to reload environmental variables in .profile using source for entire session?
30886
Reload bash's .profile without logging out and back in again
152015
Can a script modify an environment variable of its calling shell?
44298
Permanent PATH variable
3146
What are PATH and other environment variables, and how can I set or use them?
63101
How to set environment variable in systemd service?
129588
Make an environment variable survive ENDLOCAL
154472
Can I export a variable to the environment from a bash script without sourcing it?
25924
How can I make assignments persist across sessions?
77794
How to set `umask` for the entire gnome session?
97567
How do I set persistent environment variables for root?
81271
Change environment variables as standard user
84268
source all files in a directory from .bash_profile
45989
Setting and getting Windows environment variables from the command prompt?
3558
How do I change my default session?
133631
how to source a shell script [environment variables] in perl script without forking a subshell?
131725
How do I reset the $PATH variable on Mac OS X?
26822
How to restore the Path environment variable I deleted?