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Getting Started with vi Editor

Getting Started with vi Editor

What is vi? The fundamental UNIX editor is called vi. It is a primitive editor, but it will be found on every UNIX system, and works well when logging in remotely from home. There are just a few commands that one needs to learn at first, and they will be sufficient to write simple files. For more advanced features, consult some ... Read More »

ESSENTIAL UNIX Commands

ESSENTIAL UNIX Commands

Command Example Description 1.     ls ls ls -alF Lists files in current directory List in long format 2.     cd cd tempdir cd .. cd ~dhyatt/web-docs Change directory to tempdir Move back one directory Move into dhyatt’s web-docs directory 3.     mkdir mkdir graphics Make a directory called graphics 4.     rmdir rmdir emptydir Remove directory (must be empty) ... Read More »

VALUABLE UNIX Commands

VALUABLE UNIX Commands

Command Example Description 1.     grep <str><files> grep “bad word” * Find which files contain a certain word 2.     chmod <opt> <file> chmod 644 *.html chmod 755 file.exe Change file permissions read only Change file permissions to executable 3.     passwd passwd Change passwd 4.     ps <opt> ps aux ps aux   |   grep dhyatt List all running processes ... Read More »

FUN UNIX Commands

FUN UNIX Commands

Command Example Description 1.     who who Lists who is logged on your machine 2.     finger finger Lists who is on computers in the lab 3.     ytalk <user@place> ytalk dhyatt@threat Talk online with dhyatt who is on threat 4.     history history Lists commands you’ve done recently 5.     fortune fortune Print random humerous message 6.     date ... Read More »

HELPFUL UNIX Commands

HELPFUL UNIX Commands

Command Example Description 1.     netscape netscape & Run Netscape browser 2.     xv xv & Run graphics file converter 3.     xfig / xpaint xfig & (xpaint &) Run drawing program 4.     gimp gimp & Run photoshop type program 5.     ispell <fname> ispell file1 Spell check file1 6.     latex <fname> latex file.tex Run LaTeX, a scientific ... Read More »

USEFUL UNIX Commands

USEFUL UNIX Commands

Command Example Description 1.     df df See how much free disk space 2.     du du -b subdir Estimate disk usage of directory in Bytes 3.     alias alias lls=”ls -alF” Create new command “lls” for long format of ls 4.     xhost xhost + threat.tjhsst.edu xhost – Permit window to display from x-window program from threat Allow no ... Read More »

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