Navigation Terminal

cd -> change directory

• cd ~ -> change directory to home

ls -> display short list of current directory content l -> display complete file information in directory pwd -> print/present working directory - where am I? open -> open a file in default program or directory in finder

File Manipulation

man -> will pull up manual for commands

• man [command here] -- will display info about command - q to exit

| -> pipe will execute command on left first then execute command on right

• [command here] | [second command here] - does not work for every command

> -> redirect output to a file

• echo 'text to add' > [File Name] - output directed into file !!!Will overwrite what is there.
• echo 'text to add' >> [File Name] - output appended into file

mkdir create new directory from current position touch create new file within current directory mv -> move files

• mv [current file name] [new file name] -- will rename the file
• mv [current file name] ./newdirectory/[new file name] -- will move file and rename, directory must exist

rm -> removes files or directories !!!scary cannot undo

• rm [file name] -- removes file from system
• rm -r [directory name] -- removes directory and all subsequent files

grep -> will search through documents for strings

• cat [file name] | grep 'string to search' - will search contents of file and return string found
• -n -- will display line number of found string
• -A [number here] -- will display trailing number of lines specified
• -B [number here] -- will display preceding number of lines specified

cat -> reads file(s) and outputs to terminal

• cat [file name] - will display file contents
• cat [file name] [file name].... - will display file contents of all files selected in order

Git commands

git init -> this will add a local git repository to a directory git status -> show files that are untracked or tracked for next commit git add -> will add files to staging for next commit

• git add [file name] - will add individual file ot staging
• git add -A - will add all files to staging
• git add . - will add all files to staging

git commit -> takes staged files and creates safe point / commit number -git commit -m 'enter in meaningful commit message'

git log -> shows full log of all commits to master branch git push -> sends commits to github