What is the use of egrep command in unix?
How do I open a port?
What are awk commands?
What is used to type command?
How can you see the command line history?
A file has 1000 lines and i want to display only 1st line how to do it? pls ..tel me
Write a command to display a file’s contents in various formats?
What is the pipe command?
what are the different hardwares available?
Describe the zip/unzip command using gzip.
What does mkdir up2date; touch outdated up2date do?
What command is used to switching between users in unix?
What do know about tee command and its usage?