shell environments: PREpend a path to my PATH environment variable in both bash and zsh, for scripts as well as interactive shells?
3146
What are PATH and other environment variables, and how can I set or use them?
28269
Referencing environment variables *in* /etc/environment?
91568
How to correctly escape command arguments from an environment variable
73548
How to Share ENV Variables Among Perl Scripts
76804
Shell out from ruby while setting an environment variable
139635
Why does environment variable persistence break the PATH var?
129466
Apache SetEnv prepends REDIRECT_ . What gives?
92716
How to make a variable from a subshell available in the parent shell
54817
Setting PATH variable in /etc/environment vs .profile
10471
How do I add environment variables?
14616
Quick directory navigation in the bash shell
12570
When to use a preceding slash in path names? (e.g. for the 'cd' command)
60776
What's the best distro/shell-agnostic way to set environment variables?
4162
How can I get the source directory of a Bash script from within the script itself?
57878
How do you use a shell other than bash at a terminal as default?
100513
import environment variables in a bash script
135008
Using shell variables for command options