how many internal commands is there in UNIX?
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What do you mean by zambie process?
what does the 'tee' command do?
A file has 1000 lines and i want to display only 1st line how to do it? pls ..tel me
which command is used to identify the type of the file?
How do you find which version and name of unix you are using at the command prompt?
Which command will you use to change the permissions on file?
Why is shebang used?
What are some command words?
What does the md command do?
what is the meaning of this command rm -rf / what will it do ?
What is the use of tee command?
What are filter commands in unix?