Exec command In UNIX systems, command exec command and directed the implementation of any different? Exec command Shell exec command with the current process for the replacement of the space command implementation If the current shell is Login shell, the exec command will withdraw from the successful implementation of Login Direct execution command is to set up a working sub-shell command implementation process, the implementation of the process after the return of the current shell Boss, please similar postings up Shell version Exec command I tried operations exec 1s, and not after the completion of the implementation of the exit ah [ Closed window ]