If you’ve stumbled upon the phrase “gecko drwxr-xr-x” while browsing forum threads, documentation, or terminal outputs, you might be scratching your head. Is it a typo? A secret code? A new species of reptile with supernatural file permissions?
chmod 755 ~/.cache/mozilla/firefox/*/gecko Snap packages run in strict confinement. If a gecko directory inside /snap/firefox/current/ accidentally gets changed, the system may reset permissions on update. gecko drwxr-xr-x
So drwxr-xr-x means: A directory that the owner can fully control (read/write/search), while members of the owning group and other users can only read and traverse it, but cannot create, delete, or rename anything inside. This is an for system directories like /usr/bin , /etc , and many application folders. Part 2: Where Are You Likely to See “gecko drwxr-xr-x”? The combination appears most frequently in these scenarios: 2.1 Listing Firefox Profile or Cache Directories Example command: If you’ve stumbled upon the phrase “gecko drwxr-xr-x”
drwxr-xr-x 2 root root /snap/firefox/current/usr/lib/gecko This directory contains engine resources that Firefox uses to render web pages. If you compile Firefox from source (Mozilla’s own build system), you’ll often see a obj-* directory containing stage folders like: A new species of reptile with supernatural file permissions