What are the advantages of shell script?

972

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How to check if the previous command was run successfully?

992

---

What is the lifespan of a variable inside a shell script?

1580

---

How to redirect both standard output and standard error to the same location?

1112

---

How to find all the files modified in less than 3 days and save the record in a text file?

1010

---

How many fields are present in a crontab file and what does each field specify?

1061

---

How to get the 3rd element/column from each line from a file?

1145

---

How to pass an argument to a script?

1095

---

Differentiate between ‘ and ” quotes.

1093

---

When should shell programming/scripting not be used?

1084

---

How can you get the value of pi till a 100 decimal places?

921

---

How to get the last line from a file using just the terminal?

1154

---

How would you compare the strings in a shell script?

932

---

Write a shell script that adds two numbers if provided as the command line argument and if the two numbers are not entered throws an error message.

1233

---

How to calculate the number of passed arguments?

1005

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