What do chmod, chown, chgrp commands do?
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what do you understand by 'building block primitive'?
what do you understand by 'unix is a portable os'?
what is the use of the hidden files?
what is ls -ltd?
What are filter commands in unix?
How do I run a whois command?
Which command will print your home directory on screen?
what do you understand bythe term 'de-mountable volumes'?
distinguish between paging and swapping?
What does the command '$ls | wc –l > file1' do?
Assume that a file’s permissions give you read and write access. What operations can you perform on the file if it is in a directory which has “r”(read) only process? What operations can you perform on the file if it is in a directory which has “x”(execute) only access?
What is the difference between a hard link and a soft link in Unix?