printenv | env | set | unset | echo | read | export | shell scripting in linux (Hindi)
In this video, we will discuss printenv, env, set, unset, echo, read, export commands in shell scripting.
echo- This command will display the value of an environment variable.
read- It is used to take input from the user while running the script.
export- This command will set the value of an environment variable.
unset- This command will delete an environment variable.
env- This command will display all the current environment variables.
printenv- The command prints all or the specified environment variables.
set- It will print a list of all variables including environment and shell variables, and shell functions.
Timestamp-
00:00 Introduction to echo command
03:00 read command
04:53 export command
06:23 printenv command
08:00 env command
09:24 set and unset command
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