How do I use grep to find a file?
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distinguish between user mode and kernel mode?
What are the general commands in using unix os for a beginner?
How does the system know where one command ends and another begins?
Give Command that will move a single file called "unix.txt"
What is pipe command in unix?
What are the dos commands?
Write a command to find all of the files which have been accessed within the last 30 days.
5 Answers Google, IBM, Satyam,
describe the escaping sequence characteres in unix
How can you see the command line history?
What is the nmap command?
What is an Environment Variable?
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