How do I search for text in vi?
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Why is grep called grep?
Assume the following files are in the working directory prompt> ls -l tasks -rw-r--r-- 1 alex student 1423 Feb 21 14:01 tasks What command can Alex use to give everyone permission to write to the file? What will the ls -l command display if he does so?
How we will execute previous command in vi editor?
Through which command will redirect output to bOth screen and files at the same time?
what is telnet?
What is the difference between cat and more command?
Give the command for finding the current date.
What is used to type command?
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 s and g in sed command?
How to delete a directory containing files and folders?
Which mode is used for allowing file write,read and append mode?