Common Unix / Linux file permissions – quick reference

The most common permissions include: 400     r——–       files (won’t let you accidentally erase) 444     r–r–r–      files (lets everyone read) 600     rw——-     files (no one else can read or see files) 644     rw-r–r–      files (owner can read/write, group read, public read) 664     rw-rw-r–      files (owner can read/write, group read/write, public read) 666     rw-rw-rw-     files (owner can …