Commands commonly used in shell scripts (i)

seq 1 100The notation of the series

Wc-l count Rows-C bytes-W words

basename returns a basic file name for a string
DirName leave the non-directory part except the file name

Read-p "" Name prints a hint and waits for input input information to be given directly to the variable

$#: The number of arguments passed to the script
$: Is the file name of the script itself
%*: Display all parameters as a single string

Which--skip-alias command: Tune Alias

Commands commonly used in shell scripts (i)