For developers and Linux learners setting permissions on scripts, keys and web files. Type an octal value or tick read, write and execute boxes and get the symbolic form and the chmod command.
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You enter
644
The tool shows
Symbolic: -rw-r--r-- chmod cmd: chmod 644 file
The owner can read, write and execute (7), while group and others can read and execute (5). Symbolically that is rwxr-xr-x, typical for scripts and directories.
Use 600 so only the owner can read and write it. SSH refuses keys that other users can read.
No. It works with the standard three permission digits; if you type four digits it keeps only the last three.
Yes. It is free, needs no sign-up and runs entirely in your browser, so what you type is not uploaded. You only sign in if you want to email a result to yourself or save it to your CareerByteCode profile.
