#1 Let's Echo | HackerRank Linux Shell
mkdir directory_name
:-: For creating new directory
ls
:-: list view of all files & directories
cd
:-: change directory to change the directory
touch
:-: to create a new file
#!/bin/bash
:-: start of bash scritp file
chmod 777 file_name
:-: to give all permissions of read, write & excute to root , user & groups
./filename
:-: to excute the excutable file
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