Netbackup Device Configuration Guide(Unix,Windows & Linux )6.5
Studying Linux Network Configuration & Commmands
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Transcript of Studying Linux Network Configuration & Commmands
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PRESENTED BY.. ROCHITA RUDRA PRIYANKA JAIN
MAYUR PATIL
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Definition: Linux is a Unix-like
computer operating system
assembled under the model of freeand open source software
development and distribution.
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In order tounderstand the
popularity ofLinux,we need totravel back in time.About 30 yearsago......
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In 1969, a team of developers in the BellLabs laboratories developed a newoperating system, which was
Simple and elegant. Written in the C programming languageinstead of in assembly code.
Able to recycle code.
They named it "UNIX."
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OCTOBER 5 , 1991 LINUS TORVALDSLinux runs on:pcs,mobile phones ,
tablets , TVs , mainframes,supercomputers ,etc
10 fastest supercomputersOpen source code: used ,modified ,
distributed etc.
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MultiplatformMultiuserMultitaskingMemory protectionUnified memory poolDynamically linked libraries
FREE: All source code, whole kernel, alldrivers, all user programs.
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Popular mainstream Linuxdistributions include Debian (and its
derivatives such as Ubuntu), Fedoraand openSUSE.
Linux system distributions may vary inmany details of system operation,
configuration, and software packageselections.
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Ubuntu , Linux mint : basicOpenSUSE , fedora , debian GNU : middle road
distributions
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UNIX LINUX
Code optimization for ahandful of architectures.
Source code not freelyavailable for commercialUnix versions .
Has module-based kernel
Unix vendors use standardpackage managers .
High on cost perspectiveand support after purchase.
Widely compatible
Source code dispatched andinstalled very easily by endusers .
Has very flexible modulearchitecture .
Package management istricky due to infinite no ofdistributions and applications.
Charge relatively little .
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LINUX DOS
32 bit and 64 bit OS
MultitaskingMultiuser supported
Open-sourced (GPL)Can run on multiple
architectures
16 bit OS
SingletaskingSupports 1 user
Closed-sourced
Tied to 8086platform
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1.CAL&cal
current month&cal 11 2009
November 2009&call 2010
calendar for 2010
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2. Alias&alias SL=LS
unalias: to get back&unalias LS
3. Cd
&cd/etc&cd
4.Cp
cp-r dir2/dir1/cp-p dir1/file dir2/cp-i dir/file dir2/
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5.Date6.Mkdir
&mkdir dir1&1s&mkdir dir2 dir3
7.Is&pwd:/home/linuxconfig
pwd:show your current location8.Rm
rm-f foo.bar9.Atm
atm job10.Chat : issued to interact with a modem
via a chat script11.Clear : clear screen command
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12.Cmp : compares two files13.Password : change login password
14.Rmdir : removes empty directories15.Useradd : removes as address16.Userdel : removes an account
17. Telnet : remote login over network18.Shutdown-r-option reboot-/-h option halt
19.Rusers : list who is logged on localmachines
20.Rwall : write to all users over anetwork
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21.Ping
22.PicoP-program forI -internet
N-newsE-email
23.Logout : execute logout as
individual user and using up loginprompt.24.Lock : temporarily lock enabled