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exec

Execute a command without creating a child process. More information: https://www.gnu.org/software/bash/manual/bash.html#index-exec.

Execute a specific command:

exec {{command -with -flags}}

Execute a command with a (mostly) empty environment:

exec -c {{command -with -flags}}

Execute a command as a login shell:

exec -l {{command -with -flags}}

Execute a command with a different name:

exec -a {{name}} {{command -with -flags}}