what is the difference between SED and GREP ? Which one is more better and why?

4 Answers   IBM,

---

What are the differences among a system call, a library function, and a unix command?

0 Answers  

---

Sorry to all Technical person for mistake of Question. Now i am post currect question Why copied file permission is changed in destination. When i give all permission i.e 777 to file and copy that to other location in destination the permission is 755. But if give permission 555 in destination that file permission is 555 and if give permission 444 to file after copy in destination the file permission is 444. These all are happening in normal user. How the umask value is calculate here really i am not understand. Please write the proper answer. Thanks in Advance

3 Answers   TCS,

---

How does the user view the contents of a text file in UNIX?

9 Answers   IBM,

---

What command is used to replace the existing string with some other?

8 Answers   TCS,

---

What do chgrp command do?

0 Answers  

---

How can i know my Filesystem and its current usage in my prod UNIX system?

4 Answers   HCL, IBM,

---

Can you write a command to erase all files in the current directory including all its sub-directories?

1 Answers  

---

Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?

0 Answers  

---

Explain command to show the space allocation of files?

0 Answers  

---

Describe the usage and functionality of the command rm –r * in unix?

2 Answers  

---

Give the command to display space usage on the UNIX file system.

6 Answers  

---