pwd  print current working directory
less  scroll trough file contents
head  view first 10 lines
tail  view last 10 lines

echo "text" > file  write text to file at **first line
echo "text" >> file  write text to file at **append

sort <file>  sort file contents
uniq <file>  remove duplicate lines
wc <file>  count lines, words, characters
cut -D'/' -f1 <file>  extract fields from lines

ps aux  list of all proceses
du -sh <dir>  directory size
df -h  disk usage stats
uname -a  kernel and system info
man -k <keyword>  search in man "keyword"

CTRL + z  minimize
fg  maximize minimized

CTRL + a  move cursor at beginning of line
CTRL + e  move cursor at end of line
CTRL + u  delete everything before cursor
CTRL + k  delete everything after cursor
CTRL + l  clear line
CTRL + r  reverse search trough history

!!  repeat last command
cd -  go to previous used directory
cd  go to $HOME directory
!<n>  do command from history with number

git init  initialize git
git remote add <origin> http:\\..  add repository to
git add .  add all files in cwd and subfolders to git
git commit -m "text"  commit files with message
git push -u <origin> <main>  push to specified branch

VIM set number / set nonumber  line numbers ON/OFF
set tabstop=4  set tab to 4 spaces