ls

list all regular files in directory

ls -l

list with more information

ls -a

list all files (including .* files)

mkdir dir

create a directory

cd dir

change to directory

cd ..

parent directory

cd -

previous directory

cd 

home directory

pwd

show current directory

./dir

dir relative to current dir

cp A/file   B/file

copy file A to B

cp file ~/

copy file to home dir

cp dir/file .

copy file in dir to current dir

cp -r dir newdir

copy dir recursively

secure copy file from A to location B

secure copy file from B to location A

mv A/file B/file

move file from A to B

mv oldname newname

rename a file

ln -s original linked

create symbolic link to file or dir

rm file

remove file (no undo!)

rm -rf dir

remove dir and contents (no undo!)

*

all regular files

.*

all hidden files & directories

*.ext

all files with extension ext

command > file

command  >> file

append command output to file

command1 | command2

cat file

less file

head file

tail file

display last 10 lines of file

tail -f file

grep string file

grep -r string dir

find . -name "file"

locate file

r--

-w-

--x

chmod u+rw file

chmod a-x file

chmod 644 file

chmod 755 file

set file as readable/executable by all, writable by owner

chmod -R XYZ dir

set permission of dir & contents recursively to XYZ

diff A B

diff -r A/ B/

compare dirs

ps -ef

kill -9 PID

tar czf archive dir

wc file

df -Th

du -sh dir

TAB

autocomplete

history

!N

CTRL-r

su - user

switch to user

su -

sudo command

ifconfig -a

ping ip.ip.ip.ip

uname -r

dmesg

./program

program &

vi file

ESC

i

:N

:G

yy

p

x

dd

u

/string

find string after cursor

?string

n

:w

:wq

:q!

git config --global user.name <USER>

git config --global user.email <EMAIL>

mkdir <DIR>; cd <DIR>

git init; git add

git commit -m <INITIAL MSG>

git clone

git <COMMAND> --help

git add <FILE>

git reset <FILE>

git commit <FILE> -m <Message>

git status

git diff

git diff --staged

git log

git log -p 

git show <commit ID>

show commit IDs with messages

also display diff

also display diff

git format-patch -<N>

generate patches for N latest commits

git branch

git branch -a

list branches

local branches

local and remote branches

git checkout -b TEST

git checkout origin/TEST -t

git checkout TEST

git mv <OLD FILE> <NEW FILE>

git rm <FILE>

git log --stat -M

git commit --amend

git rebase -i

selectively change the log message of multiple commits, reorder commits, squash commits, etc. -

This opens an editor with different actions that can be performed on each commit

git rebase 

git stash push

git stash list

git stash pop <stash>

git stash drop <stash>

git merge <branch>
git merge --ff <branch>

git cherry-pick <commit ID>

git diff <branch1> <branch2>

git revert <commit ID>

git fetch

git pull

git push

git reset

git reset <commit ID>

git reset --hard

git reset --hard <commit ID>

reset a branch's staging area and working directory (losing all non-committed changes!)

source poky/oe-init-build-env <build_dir>

vi conf/local.conf

MACHINE ?= "<machine>"

DL_DIR ?= "${TOPDIR}/downloads"

SSTATE_DIR ?= "${TOPDIR}/sstate-cache"

EXTRA_IMAGE_EXTRA_INSTALL += "<extra_packages>"

bitbake -f <recipe>

bitbake -k <image_recipe>

bitbake <recipe>

bitbake -c listtasks <recipe>

bitbake -e <recipe>

bitbake -c clean <recipe>

bitbake -c cleansstate <recipe>

bitbake -c cleanall <recipe>

bitbake-layers create-layer <layer>

bitbake-layers add-layer <layer>

bitbake-layers remove-layer <layer>

recipetool create -o <recipe> <package_location>

devtool add  <package_location>

${VAR}

VAR = "a"

VAR ?= "a"

VAR ??= "a"

VAR := ${A}

VAR:value

append *= .=

prepend =+ =.

remove

LICENSE* / LIC_FILES_CHECKSUM*

SRC_URI*

WORKDIR

S

B

D

THISDIR

FILES

DEPENDS

RDEPENDS

RRECOMMENDS

RCONFLICTS

RREPLACES

EXTRA_OECONF

EXTRA_OEMAKE

EXTRA_OECMAKE

BPN

PN

PV

PR

less <build_dir>/conf/local.conf
MACHINE ?= "<machine>"
DISTRO ?= "<distro>"
find . -name "<machine>.conf"
./poky/meta/conf/machine/<machine>.conf
find . -name "<distro>.conf"
./poky/meta-poky/conf/distro/<distro>.conf

<build_dir>/tmp/deploy/images/<machine>/

<build_dir>/tmp/deploy/<package_type>/

packages (e.g. rpm)

<build_dir>/tmp/deploy/images/sdk/

SDK Installers

bitbake -e <recipe> | grep ^WORKDIR=

recipe work directory

bitbake -e <recipe> | grep ^B=

recipe build directory

bitbake -e <recipe> | grep ^S=

recipe source directory

bitbake -e <recipe> | grep ^D=

recipe destination directory

bitbake-layers show-layers

bitbake-layers show-recipes

bitbake-layers show-appends

bitbake-layers show-overlayered

bitbake-layers show-cross-depends

list cross layer dependencies

devtool search <recipe>

devtool find-recipe <recipe>

devtool build <recipe>

devtool edit-recipe <recipe>

devtool build-image <image_recipe>

devtool update-recipe <recipe>

devtool finish <recipe> <layer>

devtool finish <recipe> <new_layer>