Retrieves the computer name of the current host
Retrieves the computer name of the current host.
## Static method (use this): ## System$getHostname(...) ## Don't use the below: ## S3 method for class 'System' getHostname(static, ...)
First, this function checks the system environment variables HOST,
HOSTNAME, and COMPUTERNAME.
Second, it checks Sys.info()["nodename"] for host name details.
Finally, it tries to query the system command uname -n.
Returns a character string.
*getUsername().
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