Tags » Shell Script

Cat and Tac

tac is cat reversed , as the name suggests , the tac command do cat in reverse .

Shell Script

The SHELL - interpreter


A shell is an environment in which we can run our commands, programs and shell scripts. The shell provides an interface to the users of the Operating System. 479 more words

Bash Command

Quick'n'dirty ELB healthcheck

Sometimes you have a service you are running on multiple instances in an AWS autoscaling group, and you want to monitor the application health with… 218 more words