haas:spring2014:unix:labs:lab4
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| haas:spring2014:unix:labs:lab4 [2014/02/09 14:54] – wedge | haas:spring2014:unix:labs:lab4 [2014/02/09 15:00] (current) – [Environment Variables] wedge | ||
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| Line 144: | Line 144: | ||
| * < | * < | ||
| - | Environment variables are identified with the $ prefixing an ALL-CAPITAL variable name. This is to visually distinguish them. Lowercase names can be used for personal variables that are declared. | + | Environment variables are identified with the < |
| Line 153: | Line 153: | ||
| |:::^ d.|What is your path?| | |:::^ d.|What is your path?| | ||
| - | <WRAP round info box>The **echo** utility can also be used for displaying the contents of environment variables | + | <WRAP round info box>The **echo** utility can also be used for displaying the contents of environment variables</ |
| ^ 5. ^|Do the following:| | ^ 5. ^|Do the following:| | ||
| Line 232: | Line 232: | ||
| ^ 9. ^|At your prompt, enter the following commands:| | ^ 9. ^|At your prompt, enter the following commands:| | ||
| - | | ^ a.|lab46:~$ echo "###" | + | | ^ a.|lab46:~< |
| - | |:::^ b.|lab46:~$ echo "You got it"| | + | |:::^ b.|lab46:~< |
| - | |:::^ c.|lab46:~$ echo " | + | |:::^ c.|lab46:~< |
| |:::^ d.|Type history. Do you see the echo statements listed?| | |:::^ d.|Type history. Do you see the echo statements listed?| | ||
| |:::^ e.|What number is the "You got it" line?| | |:::^ e.|What number is the "You got it" line?| | ||
| Line 253: | Line 253: | ||
| ^ 11. ^|To take advantage of tab completions, | ^ 11. ^|To take advantage of tab completions, | ||
| - | | ^ a.|lab46:~$ cd /u <- hit tab| | + | | ^ a.|lab46:~< |
| |:::^ b.|What happens?| | |:::^ b.|What happens?| | ||
| |:::^ c.|[same line]: b <- hit tab| | |:::^ c.|[same line]: b <- hit tab| | ||
| Line 259: | Line 259: | ||
| |:::^ e.|Press the enter key| | |:::^ e.|Press the enter key| | ||
| |:::^ f.|What is your current working directory?| | |:::^ f.|What is your current working directory?| | ||
| - | |:::^ g.|lab46:/ | + | |:::^ g.|lab46:/ |
| |:::^ h.|Does it beep?| | |:::^ h.|Does it beep?| | ||
| |:::^ i.|Press tab again.| | |:::^ i.|Press tab again.| | ||
| Line 267: | Line 267: | ||
| <WRAP round info box>If you haven' | <WRAP round info box>If you haven' | ||
| - | |||
| =====Conclusions===== | =====Conclusions===== | ||
| This assignment has activities which you should tend to- document/ | This assignment has activities which you should tend to- document/ | ||
| As always, the class mailing list and class IRC channel are available for assistance, but not answers. | As always, the class mailing list and class IRC channel are available for assistance, but not answers. | ||
haas/spring2014/unix/labs/lab4.1391957690.txt.gz · Last modified: 2014/02/09 14:54 by wedge
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