How to swap the first line with last line in a text file using SED/AWK

How to swap the first line with last line in a text file using SED/AWK

unix awk sed

unix

Check whether Child Process has terminated in C on Unix without blocking

c unix process fork parent

unix

How can I capture single keystrokes in a unix console app without blocking?

c unix input terminal

unix

Detecting that log file has been deleted or truncated on POSIX systems?

c unix file-io posix truncate

unix

Debugging 100% iowait problem in linux

unix iowait

unix

Setting dynamic ORACLE_HOME in makefile

oracle unix makefile environment-variables solaris

unix

Cron job stderr to email AND log file?

unix cron redirect

unix

^[[A character combination

unix ascii

unix

Best practices to put into a man page

linux unix manpage

unix

Is a secret token generated with /dev/urandom a good way to protect a daemon?

security unix posix

unix