1. Unix Tools Tawatchai Iempairote November 22, 2011

2. Type of Unix Tools ● Tools for manipulating text ● Tools for compression and archiving ● Tools for finding things ● System and network information tools ● Date and time tolls ● Tools for communication ● Internet tools

3. Tools for manipulating text ● Formatting text with “fmt” ● Counting words, lines and character with “wc” ● Checking spelling with “aspell” ● Comparing files with “diff” ● Sorting text files with “sort” ● Finding unique lines in text file with “uniq” ● Viewing parts of text file with “head” and “tail”

4. Tools for compression and archiving ● Compressing files with “gzip” ● Viewing compresses file with “zcat” ● Archiving with tar

5. Tools for finding things ● Using “whereis” and “which” to find programs ● Finding files with “locate” and “find” ● Using “xargs” to act on found files ● Matching text in files with “grep”

6. System and network information tools ● Finding the operating system with “uname” ● Viewing performance statistics with “uptime” ● Viewing processes and resource usage with “top” ● Finding the name of the system with “hostname” ● Looking up IP's number with “dig” and “nslookup” ● Searching network reachable with “ping” ● Checking with route to a networked using “traceroute”

7. Date and time tolls ● Printing the date and time with “date” ● Viewing a calendar with “cal” ● Running a job at a given time with “at” ● Running a job at a regular intervals with “crontab”

8. Tools for communication ● Old tools “write” and “talk” ● Electronic mail tools

9. Internet tools ● Transfer file tools “ftp”, “scp”, …. ● World Wide Web tools “lynx”, “links” and “wget”

10. Homework ● Find more tools on “bls” ● Write a report about all Unix tools which you have been studied from this course (now).