Learn LINUX Shell Scripting (Nested If Statement (4))

UNIX and LINUX Shell Programming (Nested If Statement)
Learn UNIX and LINUX Shell Programming by reading the examples, test and practice the examples online at http://www.MyWebUniversity.com, or watch my one-line videos for free on my YouTube Channel:

https://youtube.com/channel/UC90Ak6aJ-FpKttwAQRAwWww

The Direct Path to Linux UBUNTU
Chapter 5 Shell Programming
(SH,KSH,BASH,CSH,TCSH,AWK,NAWK,GAWK)

The Linux utilities such as vim, sed, grep, egrep, fgrep, cat, lolcat, fig let and many others are also used.