1. Identify the sentences of the following grammar; <sentence> := <subject><predicate>

<subject> := <article><adjective>< ;noun>|<pronoun>

<predicate>:= <verb><direct object>

<pronoun> := he|she

<article> := the|a

<adjective>:= big

<verb> := ate

<noun> := pig|bottle
in compiler construction ​

In a file-oriented information system, a transaction file stores relatively permanent data about an entity is created and saved for backup and recovery purposes stores records that contain day-to-day business and operational data is a temporary file created by an information system for a single task

When you type the pwd command, you notice that your current location on the linux filesystem is the /usr/local directory. answer the following questions, assuming that your current directory is /usr/local for each question. a. which command could you use to change to the /usr directory using an absolute pathname? b. which command could you use to change to the /usr directory using a relative pathname? c. which command could you use to change to the /usr/local/share/info directory using an absolute pathname? d. which command could you use to change to the /usr/local/share/info directory using a relative pathname? e. which command could you use to change to the /etc directory using an absolute pathname? f. which command could you use to change to the /etc directory using a relative pathname?

Explain the importance of html in web page designing in 20 sentences..