1. Basic of UNIX For fresh members of SPARCS eungkyu@sparcs

2. What is UNIX? AT&T ’ s UNIX Ken Thompson and Dennis Ritchie BSD and System V Release Solaris, AIX, IRIX, HP-UX, FreeBSD, … Linux

3. Features of UNIX Multi-user, Multitasking Written in C – portability Simple and elegant Very good at networking server

4. Basic Commands of UNIX Please help me!!! Using file system Permissions Compression and archiving Displaying system information

5. Basic Commands of UNIX – cont. Searching and find Job control Redirection and pipe Various utilities Using network

6. Please help me!!! man – to see on-line reference manual $ man man $ man ls info – for reading documentation (GNU) $ info info $ info ls -h, --help option

7. Using file system All in UNIX is file Tree structure ls – listing directory contents $ ls -al cp, mv – copying, moving files $ cp file1 file2 $ mv file1 file2 directory

8. Using file system – cont. rm – removing files $ rm file1 file2 $ rm -rf directory mkdir, rmdir, cd – making, removing, changing directory $ mkdir directory; cd directory $ cd..; rmdir directory pwd – printing working directory

9. Permissions UNIX is multi-user system user, group, other rwxrwxrwx – 777 chmod – changing file access permissions $ chmod 644 file1 file2 $ chmod go-rw file3 chown, chgrp (for superuser) – changing user, group ownership

10. Compression and archiving gzip, bzip2 – compress or expand files $ gzip file1 file2 $ bzip2 -d *.bz2 tar – archiving files $ tar cvf files.tar file1 file2 $ bzip2 files.tar $ tar xzvf directory.tar.gz directory $ tar xjvf directory.tar.bz2 directory

11. Displaying system information du, df – displaying usage of space w, who – show who is logged in finger – lookup user information whoami – who am I id – printing real eUID and GID

12. Searching and find which, whereis, type – simple searching utilities find – finding files $ find directory [expression] … $ find / -name hanterm $ find. -name “ *~ ” -exec rm -f {} \; $ man find

13. Redirection and pipe $ command > file $ command < file $ command1 | command2 Ask details to netj

14. Various functions kill – sending signal to process ps – printing process status cat – to see file (?) more, less – paging text file to see grep, egrep – print line matching pattern $ grep pattern [file] …

15. Various functions head, tail – see head, tail of files cut, sort – cut or sort text file write – send message to other user Mail alias Xmanager – required

16. Using network telnet – telnet client mutt, pine – Mail User Agent ftp, ncftp – ftp client wget - a utility to retrieve files lynx, w3mmee – text web browser talk

17. For C/C++ programming Use ‘ :set cindent ’ in vim gcc, g++ - C/C++ compiler $ gcc -o target1 source1.c source2.c … $ g++ -o target2 source1.cc source2.cc … make – very good program using Makefile

18. Simple example of Makefile