======UNIX/Linux Fundamentals Journal====== ====January 28, 2015==== I have learned several new commands. I subscribed to the email. I just hope I'm doing this stuff right and submitting it properly. I'm confused on how I'm suppose to submit the stuff that I'm doing. ====February 5, 2015==== It was harder than I thought it was going to but I finally got everything pointed in the right direction. I'm starting to get a little more comfortable with it but by no means am I a master at it. It's all so new and different to me but at the same time interesting. ====March 10, 2015==== Regular Expressions (Regex) . match any single character [] match any one of enclosed [^ ] do not match any one of enclosed \< match start of word \> match end of word ^ match start of line $ match end of line _______________________ Extended Regex | or () grouping \( \) pattern group ====March 17, 2015==== dd -Grabs data and displays it bvi/ hexedit | ad -x echo "Hello" | od -x 0000000 6548 6c6c 0a6f 0000006 0x BE EF EF BE -little endian BE EF -Big endian gif sound sax gandalf gifsound epic sax guy bgrep cat /etc/motd | grep 'a' cat bfile | bgrep '12' cat bfile | bgrep '12..34' ====March 24, 2015==== tar -xvh sleep.tar.bz2 bvi session-201211020309.raw ====April 7, 2015==== ssh tunnel ssh user@lab46.corning-cc.edu ssh -g -L 8080:WWW:80 user@lab46.corning-cc.edu http://lab46.corning-cc.edu/opus/spring2015/user/start -old way http://localhost:8080/opus/spring2015/user/start -new way Process -program in action Process ID: PID ps -process status ps aux | less ps aux | grep sarno | grep fire ls -a will show all files including hidden ones fg # bg # kill -l kill -1 PID kill -SIGHUP PID