bash-tutorial/tutorial/files_directories.org

#+options: toc:nil num:nil author:nil

* Files and directories

** Create empty file

Create "file.txt" with command ~touch~

#+begin_src sh
  touch file.txt
#+end_src

Create a file redirecting the shell output using "~>~" operator

#+begin_src sh
   echo "I will put this text wthin a file" > file2.txt
#+end_src


** List files

Use ~ls~ in the directory you want to explore

#+begin_src sh
  ls
#+end_src

List with properties using options ~-l~ and ~-la~

#+begin_src sh
  ls -l
  ls -la
#+end_src

List using wildcards

List all files ending in ".csv"

#+begin_src sh
   ls *.csv
#+end_src

List all files containing the characters "moda" within name, e.g.,
"acomoda", "comoda.txt"...

#+begin_src sh
  ls *moda*
#+end_src

Remove "x"

#+begin_src sh
   rm x
#+end_src

Copy a file using "~cp~ source destination"

#+begin_src sh
  cp /home/text.csv  /home/myuser/text.csv
#+end_src

Create directory

#+begin_src sh
  mkdir new_dir
#+end_src

Remove (unlink) a directory

Some arguments:

 * -r: recursively unlink
 * -v: verbose
 * -f: force

#+begin_src sh
  rm -r new_dir
#+end_src

Remove a file

#+begin_src sh
  rm file.txt
#+end_src

Space used by a directory

#+begin_src sh
  du -hs /usr
#+end_src

Display directory

#+begin_src sh
   pwd
#+end_src

Change directory you are working from terminal.

Go to the home of the user

#+begin_src sh
  cd
#+end_src

Go one level up in the directory tree

#+begin_src sh
  cd ..
#+end_src

Go to "Documents" directory

#+begin_src sh
  cd /home/myuser/Documents
#+end_src