log - list logins and logouts
log
This command is a C-shell built-in command.
The log(1) command prints the WATCH shell variable and reports on each user indicated in WATCH who is logged in, regardless of when they last logged in.
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at webmaster@systemmanager.forsenergy.ru to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.
Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.