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documentation/makefile.org

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+#+TITLE: Makefiles
+
+- http://www.cs.colby.edu/maxwell/courses/tutorials/maketutor/
+- https://swcarpentry.github.io/make-novice/02-makefiles/

documentation/unix-commands.org

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+#+TITLE: Unix Commands
+
+* Navigation
+- =pwd= Print Working Directory
+- =ls= List Segments: list files
+    - =-a= All - show hidden files
+    - =-l= Long
+    - =-t= Time - in order of modification time
+- =cd= Change Directory
+- =mkdir= Make Directory
+
+* Manipulation
+- =cp= : copies files
+- =mv= : moves and rename files
+- =rm= : remove files
+- =rm -r= : remove directories (-r : Recursive)
+
+* Redirection
+- =>= : redirects output of a command to a file, overwriting previous content
+- =>>= : redirects output of a command to a file, appending new content to previous content
+- =<= : redirects standard input to a command
+- =|= : redirects standard output of a command to another command
+- =sort= : sort lines of text alphabetically
+- =uniq= : filters duplicate, adjacent lines of text
+- =grep= : searches for a text pattern and outputs it
+- =sed= : searches for a text pattern, modifies it, and outputs it
+
+* Environnement
+- =~= (alt+n) : user’s home directory
+- =nano= : line text editor
+-  =\.bash_profile= : is where environment settings are stored
+    - ~export VARIABLE='Value'~
+    - =USER= : the name of the current user
+    - =HOME= : home directory (not to customize)
+    - =env= : return a list of environment variables
+
+* Grep
+=grep texte nomfichier=
+- =-i= : ne pas tenir compte de la casse (majuscules / minuscules)
+- =-n= : connaître les numéros des lignes
+- =-v= : inverser la recherche : ignorer un mot
+- =-r= : rechercher dans tous les fichiers et sous-dossiers