chmod Calculator通往agi之路

Visualize Unix/Linux file permissions with special bits support石头扫地机器人官网

Permission Matrix爆款ai下载

RoleRead (r)Write (w)Execute (x)Octal
Owner6
Group4
Others4

Special Bits石头扫地机器人官网

chmod commandai下载官方版安装

chmod 644 <file>

Symbolictrae国际版

rw-r--r--

Octal inputsaylo国际版

3-digit: 644
4-digit: 0644

Common Permission Reference爆款ai下载

rw-r--r--Regular file (owner writes, others read)
rwxr-xr-xExecutable / directory (owner full, others execute)
rw-------Private file (owner read/write only)
rwxrwxrwxWorld-writable (not recommended in production)
r--------Read-only (commonly used for key files)
rwsr-xr-xsetuid executable (e.g. /usr/bin/sudo)
rwxrwxrwtSticky directory (e.g. /tmp — anyone can write, nobody can delete others' files)