can we use cat command as an editor ..???
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Name the various commands that are used for the user information in unix.
What is the use of the tee command?
what is the command to get help on a UNIX terminal?
what does a process mean?
which command is used to stop a running process in unix?
What is the difference between Shell Programming and Shell scripting?
10 Answers HCL, TCS, Wipro,
what are processor execution levels and priorities?
What is "type" command in unix?what is the functionality??
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
What is the comma to show the space allocation of files?
Can you write a command to erase all files in the current directory including all its sub-directories?
Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?
Unix Commands 
