A hands on introduction to basic Unix command line. Let's learn the Linux/Unix commands.

1. *NIX KUNGFU FOR*NIX KUNGFU FOR
WEB DEVSWEB DEVS
/usr/akts

2. UNIXUNIX
an OS built at AT&T's Bell Labs
OS = Shell + Kernel
linux is a unix clone -
Shell = user@devbox:~$
POSIX

3. SHELLSSHELLS
- the most common
+ - the one we all love
- sane defaults
...
this talk is on /bin/bash
bash
zsh oh my zsh
fish

4. $HISTORY$HISTORY && <Tab><Tab>
COMPLETIONCOMPLETION
▲ - very familiar.
^r - search history *as many times needed
!! - last command in history
!20 & !-2 - exec 20th & 2nd last command in
history
vi !$ (or) <Esc> . - fill the last arg of prev comm
<Tab> and <Tab><Tab>

5. $FILE$FILE OPSOPS
find /folder/path -type f -print - find
by file type
find /folder/path -name *.js -print -
find by file type
find /folder/path -size +50M -print -
find by file type
head & tail
cat
touch

6. $PIPE$PIPE && $REDIRECTION$REDIRECTION
ls | grep *.log - piping
node print_something.js > output.txt
- redirection

7. $NAVIGATION$NAVIGATION
cd & cd -
^a & ^e
^l == clear
^◀ & ^▶

8. $PROCESSES$PROCESSES
ps & kill <pid>
pidof nginx
top -p <p1> <p2> ... then, E/e
netstat

9. $ARCHIVING$ARCHIVING
gz foobar.txt
tar -czvf ar.tar.gz ar
zcat access.log.gz

10. EXECUTABLES & PROGRAMSEXECUTABLES & PROGRAMS
$HOME/bin
ln -s $TARGET $FILE
.profile .bashrc - $PATH
scripting ./script.sh or sh script.sh

11. 2 USEFUL PROGRAMS2 USEFUL PROGRAMS
sudo apt install vim tmux
tmux
vimtutor

12. CRONSCRONS
crontab -e
visit the guru

13. THE PROMPTTHE PROMPT
PS1 and $HOME/bashrc
adding promptgit

14. ALIASESALIASES
alias wifiip="ip addr show wlp5s0 |
grep inet | awk '{ print $2 }' |
head -n 1 | cut -f1 -d'/'"
alias v=vim
alias sl=ls

15. FIN / QUESTIONS ?FIN / QUESTIONS ?
tips ?
kung fu
learn shell
12 commands
terminals are sexy