Red Hat NETSCAPE MANAGEMENT SYSTEM 6.0 - COMMAND-LINE Manuale Utente Scaricare il pdf (Pagina 41)

Linux Shortcuts and Commands:

Linux Newbie Administrator Guide

by Stan and Peter Klimas

This is a practical selection of the commands we use most often. Press <Tab> to see the listing of

all available command (on your PATH). On my small home system, it says there are 2595

executables on my PATH. Many of these "commands" can be accessed from your favourite GUI

front-end (probably KDE or Gnome) by clicking on the right menu or button. They can all be run

from the command line. Programs that require GUI have to be run from a terminal opened under

a GUI.

Legend:

<> = single special or function key on the keyboard. For example <Ctrl> indicates the "control"

key.

italic = name of the file or variable you probably want to substitute with your own.

fixed width = in-line Linux commands and filenames.

Notes for the UNIX Clueless:

1. LINUX IS CASE-SENSITIVE. For example: Netscape, NETSCAPE and nEtscape are three

different commands. Also my_filE, my_file, and my_FILE are three different files. Your user

"c" programming language being case sensitive.)

2. Filenames can be up to 256 characters long and can contain letters, numbers, "." (dot), "_"

(underscore), "-" (dash), plus some other not recommended characters.

3. Files with names starting with "." are normally not shown by the ls (list) or dir commands.

Think of these files as "hidden". Use ls -a (list with the option "all") to see these files.

4. "/" is an equivalent to DOS "\" (root directory, meaning the parent of all other directories).

5. Under Linux, all directories appear under a single directory tree (there are no DOS-style drive

letters).

6. In a configuration file, a line starting with # is a comment.

7.1 Linux essential shortcuts and sanity commands

Switch to the first text terminal. Under Linux you can have several (6 in standard setup)

terminals opened at the same time.

<Ctrl><Alt><Fn> (n=1..6)

Switch to the nth text terminal.

tty

Print the name of the terminal in which you are typing this command.

Switch to the first GUI terminal (if X-windows is running on this terminal).

<Ctrl><Alt><Fn> (n=7..12)

Switch to the nth GUI terminal (if a GUI terminal is running on screen n-1). On default, nothing

is running on terminals

8 to 12, but you can run another server there.

<Tab>

(In a text terminal) Autocomplete the command if there is only one option, or else show all the

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Red Hat NETSCAPE MANAGEMENT SYSTEM 6.0 - COMMAND-LINE Manuale Utente Pagina 41