When is `_` dropped out of the environment?
70247
why can't `_` be exported to the environment of bash?
60010
Why does the order of '-l' option in gcc matter?
66271
Where has the trailing newline char gone from my command substitution?
111925
What's the difference between !, %, and @ in replacement tokens?
45816
What do $< and $@ represent in a Makefile?
21827
what could cause a script to fail to find python when it has `#!/usr/bin/env python` in the first line?
124154
What exactly is an environment variable?
19180
When can argv[0] have null?
9919
Why do people write #!/usr/bin/env python on the first line of a Python script?
24077
What the #$@&%*! is that called?
71795
What does the Bash operator <<< (i.e. triple less than sign) mean?
134667
How can I set an environment variable which contains newline characters?
564
In which step of compilation are comments removed?
86391
Why are non-environment variables passed to the subshell invoqued by command substitution?
62400
The Bash command :(){ :|:& };: will spawn processes to kernel death. Can you explain the syntax?
6820
Where to declare environment variables?
41303
When do we need curly braces around shell variables?