Everything About ___
Live briefing

Everything about Chmod

Shell command for changing access permissions of a file

chmod is a shell command for changing access permissions and special mode flags of files. The name is short for change mode where mode refers to the permissions and flags collectively. Wikipedia →

đź§­ Start here: a 6-step reading path

  1. Read the overview: ChmodA 5-minute orientation
  2. Pick up a classic book: The UNIX operating systemThe most-reprinted book on the subject
  3. Read the landmark paper: chmod 777 educationCited 2 times
  4. Go sideways: UmaskA closely related topic
  5. Go sideways: File-system permissionsA closely related topic

đź“– Definitions

Verb To change the access permissions and related special flags of (a file or directory).

🗂️ The subject at a glance

  1. Use
  2. Examples

🏆 Landmark papers (most cited)

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

đź”— Related topics