UNIX Introduction
- Definition of operating system
- UNIX background
 | Developed at Bell Labs in 1969 |
| Three advantages over other systems of time
 | Multiuser |
| Interactive |
| Allowed sharing of data and programs |
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| Two popular current versions
| BSD (Berkeley Software Distribution) |
| SVR4 (UNIX System V Release 4) |
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Minimum knowledge to use UNIX
| Log in |
| login: username |
| password: password |
| Directory system |
| Editor(s)
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| Mail |
| Commands
| -ls (list files) |
ls |
| ls -l |
| ls -a |
| -cd (change directory) |
cd <dirdesig> |
| cd .. |
| cd |
| -cp (copy file) |
cp <srcfile> <destfile> |
| -rm (remove file) |
rm <filename> |
| -rmdir (remove directory) |
rmdir <dirname> |
| -mv (move file) |
mv <srcfile> <destfile> |
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