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prateekporwal
1.
Network Management with
Linux Prateek Porwal Computer Science & Engg. Deptt. Mail ID: prateek.porwal@yahoo.in
2.
Red Hat Linux….
3.
4.
5.
Powerful
6.
Runs on multiple
hardware platforms
7.
Users like its
speed and stability
8.
No requirement for
latest hardware
9.
It’s “free”
10.
Licensed under GPL
11.
12.
13.
Used to call
commands and programs
14.
An interpreter
15.
Powerful programming language
16.
“Shell scripts” =
.bat .cmd EXEC REXX
17.
18.
Data files are
stored in directories (folders)
19.
20.
naming each containing
directory
21.
starting at the
root
22.
This is known
as the pathname/ etc home usr passwd inittab /etc/passwd apple mango banana a b /home/apple/b Naming Files
23.
24.
/
The root directory (not to be confused with the root user)
25.
.
The current directory
26.
.. The parent
(previous) directory
27.
~
My home directory
28.
Examples:
29.
./a
same as a
30.
31.
Has a uid
(login name), gid (login group) and membership of a "groups" list:
32.
The uid is
who you are (name and number)
33.
The gid is
your initial “login group” you normally belong to
34.
35.
Read - users
with read permission may read the file or list the directory
36.
Write - users
with write permission may write to the file or new files to the directory
37.
38.
Interpreting File Permissions
-rwxrwxrwx Other permissions Group permissions Owner permissions Directory flag (d=directory; l=link)
39.
40.
Most commonly, ext2fs
41.
Filenames of 255
characters
42.
File sizes up
to 2GB
43.
Theoretical limit 4TB
44.
Derived from extfs
45.
46.
Almost all hardware
devices are represented using a generic interface.
47.
48.
49.
50.
passwd will allow
to change the password.
51.
Of course there
are lot of GUI tools for all these user management.
52.
Group all common
user to single group.
53.
Be careful while
editing /etc/passwd
54.
55.
56.
TELNET is an
old application & has widespread interoperability.
57.
58.
You can use
any commands that are available on the remote system that you are attached to.
59.
60.
61.
FTP allows you
to upload and download files between local and remote hosts.
62.
The general form
of the FTP command is FTP [ IP_address | host_name].
63.
64.
65.
Technical Differences
66.
67.
Linux vs. Windows
68.
Technical Differences
69.
70.
End-User Differences
71.
72.
Thanks….
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