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Tutorial2: Unix / Linux File Management

183 bytes added, 15:51, 10 January 2020
Part 3: Manage Text File Content
'''Perform the Following Steps:'''
# View the following table of Text File Management commands:<br><br><table cellpadding="5"><tr><th style="border-bottom: 1px solid black;">Linux Command</th><th style="border-bottom: 1px solid black;">Purpose</th></tr><tr><td>'''touch'''</td><td>Create empty file(s) / Updates Existing File's Date/Time Stamp</td></tr><tr><td>'''cat'''</td><td>Display text file's contents (small files)</td></tr><tr><td>'''more , less'''</td><td>Display / Navigate within large text files</td></tr><tr><td>'''file'''</td><td>Gives info about the contents of the file (e.g. file with no extention)</td></tr><tr valign="top"><td>'''diff file1 file2'''</td><td><td>'''file'''</td><td>Gives info about the contents of the file (e.g. file with no extention)</td></tr><tr valign="top"></td></tr><tr valign="top"><td>'''find'''</td><td>To find files matching specified characteristics:<table><tr valign="top"><td width="20%">'''find . -name "file*"'''</td><td>lists pathname of any filenames beginning with "file",<br>from the current directory and any subdirectories</td></tr><tr valign="top"><td>'''find . -size +50k'''</td><td>lists pathname of any files larger than 50 kb, from the current directory and any subdirectories</td></tr><tr valign="top"><td>'''find . -mmin -5''' </td><td>lists files modified less than 5 minutes ago</td></tr></table></td></tr></table><br><br>
#In your Matrix account, issue the following command:<span style="color:blue;font-weight:bold;font-family:courier">~uli101/assign1</span><br><br>
# At the main menu, select menu option '''2''' labelled '''Basic Unix Commands'''.<br><br>NOTE: In the previous tutorial it recommended that you complete parts '''1''''''Bold text''', '''2''' and '''3''' from this section. You need to now complete parts '''4''', '''5''' and '''6''' in this section to learn about Linux commands that manage text file content.<br><br>
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