What are the uses of the exec command in shell scripts? [closed]

What are the uses of the exec command in shell scripts? [closed]

shell unix exec

unix

Differences between fork and exec

c unix fork exec

unix

PHP exec - check if enabled or disabled

php linux unix exec

unix

How to use pipe within -exec in find

unix find exec pipe

unix

What can cause exec to fail? What happens next?

c linux unix exec

unix

Is the unix fork exec sequence really as expensive as it sounds?

unix process exec fork

unix

How to find -exec cd in linux / unix

linux unix find exec

unix

how does execlp() system call work?

unix operating-system exec

unix

When to use system() and when to use execv*()?

c exec unix

unix

Why does Unix have fork() but not CreateProcess()?

winapi unix exec fork createprocess

unix

What does this command do? "exec bash -l"

linux shell unix exec

unix

how to use sed from a tcl file

unix sed exec tcl

unix

Standard approach to determine success or failure of fork/exec (while parent is running simultaneously)?

unix exec fork

unix

After using `exec 1>file`, how can I stop this redirection of the STDOUT to file and restore the normal operation of STDOUT?

linux shell unix exec ubuntu-11.10

unix

PHP exec() not working properly

php apache unix exec

unix