CPSC 1280 Lecture 15: CPSC 1280 LECTURE 15 UNIX SHELL PATTERN MATCHING

• School: Langara College
• Department: Computer Science
• Course: CPSC 1280
• Professor: Wei Cai

Document Summary

Road map: shell metacharacter, pattern matching: wildcards. The first unix command to be running at the terminal: shell: start functioning the moment you log in, constantly runs during your unix session, withers away when you log out. Use ps command to check your shell process. Main duty: command processor: interprets command line, makes arrangements for command execution, generally waits for command to complete execution. Ex: $ echo date, $ rm courselist. txt, $ ls /home/wcai. What does following command mean: $ echo data > data. sh, $ rm , $ ls | more. The shell metacharacters: wild card characters like the *, ?, etc. for pattern matching, redirection characters like >,