Полезная информация

UNIX in a Nutshell: System V Edition

UNIX in a Nutshell: System V EditionSearch this book
Previous: Reference: evalChapter 4
The Bourne Shell and Korn Shell
Next: Reference: exit
 

exec

exec [command]

Execute command in place of the current process (instead of creating a new process). exec is also useful for opening, closing, or copying file descriptors.

Examples


trap 'exec 2>&-' 0	Close standard error when 
	shell script exits (signal 0).
$ exec /bin/csh	Replace Bourne shell with C shell.
$ exec < infile	Reassign standard input to infile.


Previous: Reference: evalUNIX in a Nutshell: System V EditionNext: Reference: exit
Reference: evalBook IndexReference: exit

The UNIX CD Bookshelf NavigationThe UNIX CD BookshelfUNIX Power ToolsUNIX in a NutshellLearning the vi Editorsed & awkLearning the Korn ShellLearning the UNIX Operating System