#shellscripting #bash #bashshellscripting #shellscriptingbyLW #righteducation #vimaldaga #worldrecordholder #shellscriptingworkshop #workshop #terminal
Hello Guys ๐
I have attended a workshop based on ShellScripting organised on 24th and 25th April 2021 organised by Linux World.
what I learnt from the workshop a few insights I am sharing with you
๐ Shell Scripting is a kind of tool which helps in automation
๐ Types of Shell are :- โ sh โ csh โ bash
๐ Native Support of every router or switch is shell because shell is Standard
๐ echo is used to print something
๐ echo $x is used to print a variable where $ symbolifies x is a variable
๐ echo $? shows exit code of the command
๐ echo $SHELL shows which type of shell we are using
๐ PATH is a environment variable provided by the shell
๐ @ is used to take multiple arguments in a file
๐ test is a keyword used for comparison of two variables
๐ awk is used for data processing like which is the first column , second column and so on
๐ cat /etc/passwd is a file where we can see all the users
๐ Total count by per ipv4 address is called aggregation
๐ ssh -l ec2-user -i key_pair.pem public_ip to login in some other instance which is on AWS
๐ For copying a file in the instance present on scp -i key_name.pem f file_name.sh user_name@public_ip:/temp
Thanksโฆ