Shell usage Notes

1:t= "ASDASD sdasd"

Defined variables typically have strings and numbers ${t} and $t use variables

2:o= "Sdfjkflsjl SDKAFJLJKDASL ${t}"

echo o print variable echo $o $t link variable

Basic operation can refer to the hand, as the script is easy to use

Terminal in SH, entry, exit exit, can also be written as a script, beginning to write #! /bin/sh or #! /bin/bash words Save the file, CD to the appropriate directory, chmod+x./p.sh then./p.sh execution

can also be executed/bin/sh p.sh.

Shell usage Notes