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at [2012/03/23 15:45]
k2patel created
at [2017/07/01 22:16]
k2patel old revision restored (2012/03/23 19:46)
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 ====== at (linux) ====== ====== at (linux) ======
  
-In Unix-like computer operating systems, the at command is used to schedule commands to be executed once, at a particular time in the future.+In Unix-like computer operating systems, the at command is used to schedule commands to be executed once, \\ 
 +at a particular time in the future.
  
-More precisely, it reads a series of commands from standard input and collects them into one "​at-job"​ which is carried out at a later date. The at-job inherits the current environment,​ so that it is executed in the same working directory and with the same environment variables set as when it was scheduled.+More precisely, it reads a series of commands from standard input and collects them into one "​at-job"​ which \\ 
 +is carried out at a later date. The at-job inherits the current environment,​ so that it is executed in the \\ 
 +same working directory and with the same environment variables set as when it was scheduled.
  
-It differs from cron which is used for recurring executions (e.g. once an hour, every Tuesday, January 1 every year). As with cron, many Unix systems allow the administrator to restrict access to the at command.+It differs from cron which is used for recurring executions (e.g. once an hour, every Tuesday, January 1 every year). ​\\ 
 +As with cron, many Unix systems allow the administrator to restrict access to the at command.
  
-at can be made to mail a user when done carrying out a scheduled job of theirs, can use more than one job queue, and can read a list of jobs to carry out from a file instead of standard input. A sample command to compile a C program at 11:45 a. m. on January 31st and e-mail the results (STDOUT and STDERR) to your user ID would be:+at can be made to mail a user when done carrying out a scheduled job of theirs, can use more than one job queue, ​\\ 
 +and can read a list of jobs to carry out from a file instead of standard input. ​\\ 
 +A sample command to compile a C program at 11:45 a. m. on January 31st and e-mail the results (STDOUT and STDERR) to your user ID would be:
  
 <code bash> <code bash>
at.txt · Last modified: 2017/07/01 22:16 by k2patel