Commonly used · Permissions and links
sudo: Execute command as administrator
Syntax
sudo command [parameters…]Examples
sudo systemctl start nginxUsage and sandbox support
This sandbox allows commands to simulate management operations; it does not simulate passwords, user switching, or real permission interception.
Hands-on exercises
Related commands
chmodModify permissionschownModify ownerumaskSet new file permission masklnCreate symbolic linkreadlinkView symbolic link targetsgroupsQuery user groupchgrpModify the group to which the file belongsgetfaclView extended access controlsetfaclSet up extended access controllsattrQuery file attribute flagschattrModify file attribute flagssuSwitch user sessionpasswdChange account passworduseraddcreate AccountusermodModify account propertiesuserdelDelete accountgroupaddCreate user groupgetentQuery system account database