How the Shell script to write

Write Shell script:

1) Editor like VI or Mcedi

2) Set Execute permission for your script

chmod permission Your-script-name

chmod +x your-script-namechmod 755 your-script-name

　　This would set read write execute (7) permission for the owner, for group and other permission are read and execute only (5).

　

3) Execute Script

　　　　　　Bash your-script-name
　　　　　　SH your-script-name
　　　　　　./Your-script-name

In the last syntax./means current directory, and only. (dot) means execute given command file in current shell without starting the new copy of the shell.

Example:

. Foo

　4) Practice

1 $ vifirst 2 #3Shell  script4 #5  Clear6echo "knowledge is Power"

1$VI ginfo2#3#4# Script toPrintUser information who currently login, currentDate& Time5#6 Clear7 Echo"Hello $USER"8 Echo"Today is \c";Date9 Echo"Number of User login: \c";Who | wc-lTen Echo"Calendar" One Cal A Exit0

How the Shell script to write