Module Three - Session 13: Manipulating Files

What will I be learning?

You will learn how to display a text file in various ways. We will also look at ways we can modify a text file.

What should I practice?

Practice these CLI (commandline interface) Commands:

Is it a File?

• file(1) - Linux man page

Processing Text

• file demo
• join(1) - Linux man page
• join demo
• paste(1) - Linux man page
• paste demo
• sort(1) - Linux man page
• sort demo

File Transforming Commands

• expand(1) - Linux man page
• unexpand(1) - Linux man page
• uniq(1) - Linux man page
• split(1) - Linux man page
• split demo
• tr(1) - Linux man page

File Formatting Commands

• fmt(1) - Linux man page
• pr

File Viewing Commands

• head(1) - Linux man page
• head demo
• tail(1) - Linux man page
• tail demo
• cat(1) - Linux man page
• cat demo
• nl(1) - Linux man page
• nl demo

File Summarizing Commands

• cut(1) - Linux man page
• wc(1) - Linux man page
• wc demo

Process Monitoring

• jobs
• fg
• bg
• jobs demo
• kill(1) - Linux man page
• kill demo
• top(1) - Linux man page
• top demo
• renice(1) - Linux man page
• nice(1) - Linux man page
• killall(1) - Linux man page
• killall demo
• ps(1) - Linux man page
• ps demo
• free(1) - Linux man page
• uptime(1) - Linux man page

Original webpage by Petersen Gross, modified by William Albritton.