How to define the scope of bean
Question: How to find list of all shell in the Linux, Unix or mac ?
Answer: $ cat /etc/shells
this will list all shell in the system.
Question: How to find current active shell in the Linux, Unix or mac ?
Answer: $SHELL variable contains the value of current shell.
echo $SHELL
Question: What is shell scripting?
Answer: Shell script is series of command written in text file.
1. Shell script can take input from user , file and output from other program.
2.Shell script helps to automate daily task.
Question: How to write shell script ?
Answer: Shell script writing contains following steps.
1. Create a file for shell script.
2.Change the permission of shell script file to execute.
$ chmod +x script-name
$chmod +755 script-name
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