How do I see a list of all exported variables and functions under Unix bash shell?
How do I assign the output of a shell command to a shell variable under Unix like operating system? For example, I want to store the date command output to a variable called $now. How do you do that?
ow do I use export command under a Linux or Unix-like operating systems to set variables on a bash shell?
How do I pass shell variables to awk command or script under UNIX like operating systems?
Bash shell is used for various purposes under Linux. How do I customize the shell environment variable under Linux operating systems?
How do I call Oracle or MySQL sql statements in UNIX / Linux shell scripts?
How do I run shell loop over set of files stored in a current directory or specified directory?