The Examples Book
Appendices
Agile Training Appendix Containerization and Kubernetes Deployment Corporate Partners Data Science Book List Data Science Theory Data Visualization Geospatial Analytics MATLAB Natural Language Processing Optimization Techniques Prodigy Annotation Tool Projects Archive RCAC Registration TDM Internal Documentation The Examples Book Think Summer Time Series University Partners

The Examples Book

    • Introduction
    • How to contribute
    • Gallaudet Workshop Lesson Plan
      • Webscraping
      • WordCloud
      • Interactive Plot
      • Basic Linear Regression
    • Data
      • Formats
        • HTML
        • XML
        • csv
        • json
        • yaml
        • toml
        • parquet
        • feather
        • VCF
        • LAS
        • STL
        • MessagePack
        • protobuf
    • Unix
      • Standard Utilities
        • man
        • pwd
        • ls
        • cd
        • cat
        • head
        • tail
        • less
        • diff
        • touch
        • cp
        • mv
        • rm
        • mkdir
        • rmdir
        • du
        • which
        • type
        • stat
        • wc
        • cut
        • uniq
        • sort
        • find
        • tr
        • sed
        • grep
        • awk
        • rsync
        • ssh
        • scp
        • git
      • Text Editors
        • vim
        • emacs
        • nano
      • Other Topics
        • Permissions
        • Environment Variables
        • ~ & . & ..
        • Piping
        • Redirection
        • Cron
        • Scripts
        • systemd
        • Setting Up VMs
    • SQL
      • Terminology
      • Queries
      • Aliasing
      • Aggregate functions
      • Joins
    • R
      • Variables
      • Logical Operators
      • Lists and Vectors
      • data.frames
      • Reading and Writing Data
      • Control Flow
      • Writing Functions
      • R Base Functions
        • ncol
        • nrow
        • head
        • tail
        • length
        • dim
        • str
        • mean
        • median
        • var
        • sd
        • abs
        • sum
        • min
        • max
        • table-and-prop-table
        • rep
        • seq
        • sort
        • order
        • length
        • which
        • grep
        • unique
        • paste & paste0
        • cut
        • split
        • subset
        • merge
      • Apply Functions
      • Plotting
        • R graphics plotting
          • barplot
        • ggplot2
          • geom_point
      • Tidyverse
        • Piping
        • select
        • transmute
        • mutate
        • case_when
        • between
        • glimpse
        • filter
        • arrange
        • group_by
        • summarize
        • str_extract and str_extract_all
        • lubridate
        • strrep
        • nchar
      • data.table
      • SQL in R
      • Scraping
      • Shiny
    • Python
      • Indentation
      • Variables
      • Printing and F-Strings
      • Logical Operators
      • Tuples
      • Lists
      • Dictionaries
      • Sets
      • Dates and Times
      • Control Flow
      • Writing Functions
      • Classes
      • Writing Scripts
        • argparse
      • pandas
        • Reading & Writing Data
        • Series
        • DataFrames
        • Indexing
        • Dates and Times
        • Aggregate Functions
        • Reshaping
      • Pathlib
      • Scraping
        • Requests
        • BeautifulSoup
        • lxml
        • Selenium
      • Plotting
        • Matplotlib
        • Plotly
      • PyTorch
      • Documentation
        • Docstrings & Comments
        • pdoc
        • Sphinx
      • Testing
        • unittest
        • pytest
        • doctest
        • mypy
      • Serialization & Deserialization
        • MessagePack
      • Dask
      • JAX
    • Git
      • GitHub Desktop
      • Workflows
    • FAQs
  • Projects
    • Syllabus
    • Course Schedule
    • Templates
    • Submissions
    • Office Hours
    • Fall 2021
      • STAT 19000
        • Office Hours
        • Project 1
        • Project 2
        • Project 3
        • Project 4
        • Project 5
        • Project 6
        • Project 7
        • Project 8
        • Project 9
        • Project 10
        • Project 11
        • Project 12
        • Project 13
      • STAT 29000
        • Office Hours
        • Project 1
        • Project 2
        • Project 3
        • Project 4
        • Project 5
        • Project 6
        • Project 7
        • Project 8
        • Project 9
        • Project 10
        • Project 11
        • Project 12
        • Project 13
      • STAT 39000
        • Office Hours
        • Project 1
        • Project 2
        • Project 3
        • Project 4
        • Project 5
        • Project 6
        • Project 7
        • Project 8
        • Project 9
        • Project 10
        • Project 11
        • Project 12
        • Project 13
    • Spring 2022
      • STAT 19000
        • Project 1
        • Project 2
        • Project 3
        • Project 4
        • Project 5
        • Project 6
        • Project 7
        • Project 8
        • Project 9
        • Project 10
        • Project 11
        • Project 12
        • Project 13
        • Project 14
      • STAT 29000
        • Project 1
        • Project 2
        • Project 3
        • Project 4
        • Project 5
        • Project 6
        • Project 7
        • Project 8
        • Project 9
        • Project 10
        • Project 11
        • Project 12
        • Project 13
        • Project 14
      • STAT 39000
        • Project 1
        • Project 2
        • Project 3
        • Project 4
        • Project 5
        • Project 6
        • Project 7
        • Project 8
        • Project 9
        • Project 10
        • Project 11
        • Project 12
        • Project 13
        • Project 14
    • Contributors
  • Agile Training Appendix
    • stable
  • Containerization and Kubernetes Deployment
    • stable
  • Corporate Partners
    • stable
  • Data Science Book List
    • stable
  • Data Science Theory
    • stable
  • Data Visualization
    • stable
  • Geospatial Analytics
    • stable
  • MATLAB
    • stable
  • Natural Language Processing
    • stable
  • Optimization Techniques
    • stable
  • Prodigy Annotation Tool
    • stable
  • Projects Archive
    • stable
  • RCAC
    • stable
  • Registration
    • stable
  • TDM Internal Documentation
    • stable
  • The Examples Book
    • stable
  • Think Summer
    • stable
  • Time Series
    • stable
  • University Partners
    • stable
The Examples Book stable
  • The Examples Book
  • Unix
  • Other Topics
Edit this Page

Other Topics

This section of the book explores other topics and tools that a developer or data scientist would benefit from. Have another topic that is not listed here? Please feel free to make a contribution. See a mistake? Please open an issue and we will get to it as soon as possible.

  • ~, ., and ..

  • Piping

  • Redirection

  • Environment Variables

  • Scripts

  • Permissions

  • Cron

  • systemd

nano Permissions

Purdue University, The Data Mine, Hillenbrand Hall, 1301 Third Street, West Lafayette, IN 47906-4206, (765) 494-0325

© 2020 Purdue University | An equal access/equal opportunity university | Integrity Statement | Copyright Complaints | Maintained by The Data Mine

Contact The Data Mine at [email protected] for accessibility issues with this page | Accessibility Resources