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Shell types

sh or Bourne Shell – the original shell still used on UNIX systems and in UNIX related environments. This is the basic shell, a small program with few
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exit [Command]

Command exit Allows you to exit from a program, shell or log you out of a Unix network. Syntax exit Description To end a current session as well
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whatis [Command]

Command whatis Searches for whole words in the database whatis (see command apropos). Syntax whatis keyword Options no Description whatis command displays the result of search whole words
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uname [Command]

Command uname Displays system information, such as the type of machine and operating system. Syntax uname [options] Options -a displays all the information. -m displays the type of
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man [Command]

Command man Print page operational manual (also called man-pages). Syntax man [options] [section] command Options -C conf_file indicates configuration file man (by default /etc/man.config). -p indicates listatel pager
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