Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...
Modern shells support command-line editing for efficient recall and correction of commands. Command-line editing is more efficient than using the shell's history mechanism. Shells like KornShell, Bash ...
As a relatively isolated junior sysadmin, I remember seeing answers on Experts Exchange and later Stack Exchange that baffled me. Authors and commenters might chain 10 commands together with pipes and ...