Setting and getting environment variables???
I am new to linux and just want to know that how many different types of environment variables are there in linux. How do we set and get their values? How will we the environment path of a library to a different one? i mean to say how can we change it?
You can for example use:
Other cmds are:
both will show env vars.
Incidentally, 'export' is only required if you want the value to be passed down to sub-shells of the assigning shell.
Otherwise, simple assignment is sufficient.
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