Unix Shell Programming

AWK Examples

2015

How to get current shell name in CSH?

% echo $shell

/bin/csh

Unix have a new line appended at the end

# echo -e "1" | wc -c

2

Links

History of grep

Andrew S Tanenbaum on Linux

Introduction to UNIX

Why should one use /dev/null to empty a file?

Strange UNIX command name meaning

Art of Command Line

Posix shell tricks

How UNIX made it to the top