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Tutorial8: Links / Process Management

9 bytes removed, 17:08, 3 February 2020
Managing Processes
Below are some common Linux commands involving processes:
<table cellpadding="5" width="60%"><tr valign="top"><th width="20%" style="border-bottom: 1px solid black;text-align:left;">Linux Command</th><th style="border-bottom: 1px solid black;text-align:left;">Purpose</th></tr><tr valign="top"><td>'''ps'''</td><td>The '''ps''' (''process status'') command displays snapshot information about processes. By default, the ps command displays information only about the current terminal<br>('''ps -l''' provides a detailed listing, '''ps -U''' username shows all)<br><br>''Examples: ''<span style="font-family:courier;font-weight:bold">ps , ps -l, ps -ef, ps -u ps aux</span><br></td></tr><tr valign="top"><td>'''top'''</td><td>The '''top''' command provides a continuous update including resource usage<br>'''NOTE:''' You can press '''ctrl-c''' to exit<br></td></tr><tr valign="top"><td>'''fg'''</td><td>The '''fg''' (foreground) command moves a background job from the current environment into the foreground. ''Example: ''<span style="font-family:courier;font-weight:bold">fg %job-number</span></td></tr><tr valign="top"><td>'''bg'''</td><td>the '''bg''' utility shall resume suspended jobs from the current environment.<br>''Example: ''<span style="font-family:courier;font-weight:bold">bg %job-number</span></td></tr><tr valign="top"><td>'''jobs'''</td><td>The '''jobs''' utility shall display the status of jobs that were started in the current shell environment<br>''Examples:<br>''<span style="font-family:courier;">jobs<br>[1]+ Stopped vim a<br>[2]&nbsp; Running sleep 200 &<br>[3] Running &nbsp; Running sleep 300 &<br>[4]- Running &nbsp; sleep 400 &<br><br></span></td></tr><tr valign="top"><td>'''kill'''</td><td>The command kill sends the specified signal to the specified processes or process groups. If no signal is specified, the TERM signal is sent. The default action for this signal is to terminate the process.<br>''Examples:''</td></tr></table>
=INVESTIGATION 1: LINKING FILES=
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