Subshells (Bash)

When executing stuff within Bash, sometimes subshells are created to do some of the stuff. This is for example the case when GNU Parallel is doing its magic. Maybe this is also the case when evaluating stuff around pipelines.

For now, see the links below for some pieces of the puzzle:

See also

• Associative arrays (Bash)#Scope
• Export (Bash)
• GNU Parallel#Subshells & variables

Sources

• https://www.gnu.org/software/parallel/parallel_tutorial.html