regarding unix commands
Posted on 2004-08-08
i have queries on some commands.I have listed it below
1. I want to know the Command to know the version of unix and company which developed unix?
2. In wc command there are two optional arg,c- counts the number of bytes m-counts the number
of characters.What's the difference between the two option
I tested with a file test.txt with contents 123\n123\n1
when i do wc -c a.txt and wc -m a.txt i get 9 as answer.
3. To find the files in my directory which start with letter 'a' i did the following unix command
ls -la | grep a* .Im not getting the output.How to do it? * means zero or more characters.
4. Im using a telnet to connect to a remote machine.When i give lp command will the printout goes to
the printer connected to remote machine or printer connected to the local machine.