Why is subshell created by background control operator (&) not displayed under pstree
137423
Rule for invoking subshell in Bash?
108400
Using "namespace foo {" instead of explicitly qualifying outside of header files
106378
Customized prompt does not hold when a child bash is ran
102377
Why does my shell now have "(base)" as in "(base) user@laptop"?
96052
How can I detect if I'm in a subshell?
156658
Cannot find pipe symbol "|" in Ubuntu server
832
What are the shell's control and redirection operators?
5438
I am using `&`: why isn't the process running in the background?
34304
Precedence of the shell logical operators &&, ||
101357
bash -c variable resolution in subshell
105788
Why is `[` a shell builtin and `[[` a shell keyword?
70247
why can't `_` be exported to the environment of bash?
146634
Using an shell glob (wildcard (*)) after a double quoted variable expansion
57326
Bash - how to make explicit operator precedence without creating a subshell
155408
What's the function of the "|" (pipe) operator?
50357
How to print the directory tree in terminal
40020
Why do `jobs` and `dirs` run in command subsitution, process substitution, pipeline, and background jobs output the same as in original shell?