ACC SHELL

Path : /usr/share/zsh/4.3.10/help/
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Current File : //usr/share/zsh/4.3.10/help/suspend

suspend [ -f ]
       Suspend  the execution of the shell (send it a SIGTSTP) until it
       receives a SIGCONT.  Unless the -f option is  given,  this  will
       refuse to suspend a login shell.

ACC SHELL 2018