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at:tldr:99359
at: Execute commands from a given file next Tuesday.
$ at -f ${filename} 9:30 PM Tue
try on your machine
The at
command is used to schedule a command to be executed at a later time. In this case, the command is being scheduled to run at 9:30 PM on Tuesday.
The -f
option specifies that the command to be executed is stored in a file. ${filename}
is a placeholder that should be replaced with the actual filename that contains the command to be executed.
So, this command instructs the system to run the command stored in the specified file at 9:30 PM on Tuesday.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.