# Aula 1: 28/07/2019

OS'es
UNIX: history and flavors
Filesystem hierarchy
Absolute and relative paths
Shells

pwd
cd
mkdir
touch
rmdir
rm

Shell feature: tab auto-completion

date
echo
cp
mv
ls [-l] [-F]

command options and arguments

alias

Streams: standard input/output/error

Sequencing commands: ;
Logical operators: && and ||

redirections: write (>) and append (>>)

cat
less
cat vs less
ps vs top

Unix pipe
wc
head
tail
grep [-v]


# Aula 2: 30/07/2019

sort

Shell globbing: * ? [] [-]

Users
Permissions
chmod
chown
chgrp

Shell wars
POSIX and Linuxism; Cygwin

editing files: ed

whereis
which
Environmental variables
alter PATH

dotfiles
ls -a

symlinks: ln -s


# Aula 3: 02/08/2019

mounting

regexps

tmux

ssh, ssh-keygen
(scp)
(rsync)
(unison)

Shell scripting

cut
uniq
(paste)
(sed)

diff
vimdiff
vi & vim
modal editing


# Aula 4: 02/08/2019

Emacs

Org mode


# Aula 5: 03/08/2019

More Emacs

Git