Shell Script Tutorials (0 ~ 62)

Tutorial-1: Introduction

Tutorial-2: Shell, Kernel, Terminal & More

Tutorial-3: View System Date, Calendar
- cal, cal feb 2016, cal 8 2016
- date, date '+%m-%y %H:%M:%S'

Tutorial-4: Create Files & Directories
- touch, mkdir

Tutorial-5: Create, Merge & Play Test Files
- cat > test1, ctrl+d, cat > test2, ctrl+d
- cat < test1, cat test2
- cat test1, test2 > test3

Tutorial-6: Rename & Delete Files & Directories
- mv old new
- rm old
- rm -r mydir, rmdir mydir

Tutorial-7: Create Copies, Links to Files & Directories
- cp old new
- ln old new
- ln -s old new

Tutorial-8: File Permissions
- umask (mask to 0666 for create file or directory)

Tutorial-9: See What's In Using 'ls'
- ls, ls Documents/
- ls -l, ll
- ls -a

Tutorial-10: Change File Permissions Using ‘chmod’

• chmod 664 test, chmod 775 test
• chmod o+x test, chmod g+x test, chmod +x test
• uname, uname -a show kernel info

Tutorial-11: Count Lines, Words & Characters Using ‘wc'

• file *
• wc test2 (line, words, characters)
• wc -l test2, wc -w test2, wc -c test2

Tutorial-12: Sort

• sort animals, sort sports

Tutorial-13: Cut Through Your Files

• cut -d”-“ -f 1,3 players

Tutorial-14: Convert & Copy Files With ‘dd’

• dd if=test of=out conv=ucase
• dd if=out of=new conv=lcase

Tutorial-15: Get Help, View Fancy Text & Reduce File Size

• man
• banner “bye bye”
• compress -v test
• uncompress test.z

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