Answer Posted / pitambar mishra

### Note : Function always returns a value.
### This script is for adding two numbers.
### Script name : add.ksh

#!/bin/ksh

sum() ### Defining sum function
{
echo enter 2 no :
read num1 num2
echo sum=$(( num1 + num2 ))
}
sum ### Invoking sum function

To execute it :
ksh add.ksh

what is info area how many types?

2755

---

Rewrite the command to print the sentence and convert the variable to plural: echo “i like $variable”.

1080

---

How can you find out how long the system has been running?

898

---

is this growing field and what is average package in this?

2298

---

Write a command sequence to find the count of each word?

987

---

What is sh in shell script?

1014

---

How do I run a script on mac?

1093

---

What is the conditional statement in shell scripting?

1220

---

write a shell script to emulate the Id command of PRIMOS which lists files and directories. It list files first with a header FILES and then directories with a header DIRECTORIES. This command has several options. The main ones are. -file select files only -dir select directories only -reverse sort in reverse order -no_header put no header on the output -brief output the header only -size display the size of each file -help display Id´s syntax and options.

2769

---

What are zombie processes?

1020

---

What is the best shell scripting language?

1008

---

What language is used in terminal?

977

---

What is awk in shell script?

1219

---

How to write a function?

1023

---

How does path variable work?

958

---