Learn Unix: Basic

What is the significance of the 'tee' command?

Difference Between Grep and Find command?

How is the command '$cat file2' different from '$cat >file2 and >> redirection operators'

Which of the following commands is not a filterman , (b) cat , (c) pg , (d) head 

State and explain about features of UNIX? 

What is the use of the command "ls -x chapter[1-5]" 

What is the significance of the 'tee' command?

Explain the following commands. 

Is it possible to restrict incoming message?

How does the kernel differentiate device files and ordinary files? 

Using the commands ps, cut, tr and kill, along with pipes, write a command that will find all sleep processes running on the system and kill them?

Explain about the command lynx? 

Is it possible to count number char, line in a file; if so, How?

What is the difference between cat and more command? 

Explain about chmod options filename? 

Explain the steps that a shell follows while processing a command.

What does the command ?$ls | wc 'l > file1' do?

In UNIX 50 records are there, i want to retrieve the 20-30 records & i want 23 record which commands we are using?