lastlog

Additional Notes

lastlog is a system command used to show last login information for users. It reads from /var/log/lastlog to display when each user last logged in.

Use lastlog -u USERNAME to check a specific user. Accounts showing Never logged in may be unused or system service accounts.

Syntax

lastlog [options] [arguments]

Parameters

• options: Flags that change how lastlog behaves.

Common Options

• --help: Show command help when supported.
• --version: Show version information when supported.

Examples

lastlog --help
man lastlog

Practical Notes

Options can vary by distribution and package version. Use man lastlog, lastlog --help, or the package documentation for exact syntax.