- Create new directory :
mkdir donut
- Rename directory :
mv old-name new-name
- Move into new folder :
cd donut
- Check folder's directory :
pwd
- Create readme file :
touch README.md
- Delete file :
rm README.md
- Check files in folder :
ls
- Open current directory :
open .
cat : read and display the content of one or more filesbat : a better cat (not standard)cd : change the directory you’re working inchmod : modify file or folder permissionschown : modify file or folder ownershipcp : copy filescurl : a tool for sending data to or from a web serverdefaults : read, write, and delete software preferencesecho : return the result of a command to standard outputgrep : search a file for a given patternkillall : stop a running process or appls : list the contents of a directoryman : view the manual page for a commandmkdir : create a new directory or foldermv : move one or more files or directoriespwd : see the directory you’re currently working inrm : delete filesrmdir : delete a directory
Create new local repository
git initgit add .git commit -m "Initial commit"git branch : main
Create new remote repository
- GitHub : Create New : New Repository
- Repository name : donut
- Private
- Leave uncheck : Add a README file
- Create
git remote add origin [email protected]:s-estay/donut.gitgit push -u origin main- Update page : ⌘ + R
Commit & push new changes
- Update README.md
git statusgit add README.mdgit push
git fetch origingit reset --hard origin/main
git commit --amend --no-editgit push -f
# OS generated files
.DS_Store
# Compiled source
*.out
- Normal :
ESC : move cursor around
- Insert :
i/a : insert code
- Visual :
v : select with cursor
- Visual line mode :
V : select entire line
- Command :
: : type commands
h : leftj : downk : upl : rightw : jump to begining next worde : jump to end of next wordb : jump to previous word:9 : jump to line 9* : jump to next ocurrence of word# : jump to previous ocurrence of wordgg : jump to line 1shift + g : jump to last line
Custom motions (normal mode)
1 : jump to first non-blank character of line : default ^2 : jump to last non-blank character of line : default g_
Count + motion (normal mode)
5j : jump 5 lines down3k : jump 3 lines up
d : deletedd : delete entire lineu : undo
Command + count + motion (normal mode)
dw : delete word (cursor on word's first character)d2w : delete 2 wordsdb : delete previous word (cursor on word's first character)d3j : delete current line + 3 down below
i : insert text to left of cursora : insert text to right of cursoro : insert new line below current lineO : insert new line above current line
ESC : enter command mode:w : save:q : quit:q! : force quit:wq : save & quit
term : open terminal in an horizontal splitvert term : open terminal in a vertical splitvert res +10 : make current window 10 lines wider- jump between windows : control + w + w
- show previous executed command : control + p
- show next executed command : control + n
- enter normal mode (use hjkl keys to navigate) : control + w + shift + n
- exit normal mode :
i
vim donut.c:wqbat donut.c
- Disable compatibility with vi which can cause unexpected issues :
set nocompatible
- Set shift width to 2 spaces :
set shiftwidth=2
- Set tab width to 2 columns :
set tabstop=2
- Press space bar to type
: (normal mode) : nnoremap <space> :
- Press 1 to jump to first non-blank character of line (normal mode) :
nnoremap 1 ^
- Press 2 to jump to last non-blank character of line (normal mode) :
nnoremap 2 g_
- Auto complete brackets (insert mode)
inoremap ( ()<esc>ha
inoremap { {}<esc>ha
inoremap [ []<esc>ha
inoremap < <><esc>ha
inoremap ' ''<esc>ha
inoremap " ""<esc>ha
inoremap {<cr> {<cr><bs><bs>}<esc>ko
- Clear status line when vimrc is reloaded :
set statusline=
- Status line left side :
set statusline+=\ %F\ %M\ %R
- Use a divider to separate the left side from the right side :
set statusline+=%=
- Status line right side :
set statusline+=\ %l:%c
- Space :
set statusline+=\
- Show the status on the second to last line :
set laststatus=2
.vimrc : hybrid line numbers
set numberset relativenumber
#include <stdio.h>
int main(void)
{
printf("Hello, World!\n");
return 0;
}
clang donut.c && ./a.outclang donut.c -o output && ./output
Compile with diagnostic flags
clang -Wall -Wextra donut.c && ./a.out
Compile using different C versions
- C89 :
clang donut.c -std=c89
- C99 :
clang donut.c -std=c99
- C11 :
clang donut.c -std=c11
touch build.shvim build.sh
#!/bin/bash
echo "hello"
set -xe
clang -Wall -Wextra -o main.out main.c
chmod +x build.sh./build.sh & ./main.out
- Package manager for macOS
brew list : installed packagesbrew outdated : outdated packagesbrew update : get information about packages's latest versionbrew upgrade : upgrade all packagesbrew upgrade + package name : upgrade specific packagebrew list --versions + package name : package version
brew list : display all installed packagesbrew deps <package-name> --tree : display a package's dependenciesbrew uninstall <package-name> : uninstall packagebrew autoremove : uninstall not used dependenciesbrew cleanup -s : remove all downloaded files that we don't use
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