Linux Commands - Revision history

Ledhed at 11:26, 7 January 2025

2025-01-07T11:26:17Z

2014-03-07T21:45:26Z

2014-01-29T00:33:04Z

2013-02-21T19:43:30Z

2013-02-21T19:40:59Z

2012-06-04T06:14:10Z

2012-06-04T06:06:34Z

2012-06-04T06:05:36Z

2012-06-04T06:01:14Z

2009-01-20T18:52:08Z

← Older revision		Revision as of 11:26, 7 January 2025
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	ls -l --time=atime		ls -l --time=atime

		+
		+	== Create Disk Image ==
		+	Create an image from a USB drive (at /dev/sdb)
		+	dd if=/dev/sdb of=~/disk.img bs=512
		+
		+	Create a compressed image from a USB drive (truncating unused space on the USB)
		+	dd if=/dev/sdb \| gzip > ~/disk.img.gz

@@ Line 6: / Line 6: @@
 pwd = (Print Working Directory) Displays the current directory you're in.<br>
-<br>
@@ Line 121: / Line 121: @@
   shopt -s nocasematch
 More to come...
 [[Category:Linux]]

← Older revision		Revision as of 00:33, 29 January 2014
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		+
		+	== Turn off Linux Case Sensitivity ==
		+	shopt -u nocasematch
		+
		+	shopt -s nocasematch

	More to come...		More to come...

	[[Category:Linux]]		[[Category:Linux]]

← Older revision		Revision as of 19:43, 21 February 2013
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	-type f = files (not directories)		-type f = files (not directories)

		+	Find old files who haven't been modified in the past 2 years and display their total disk usage
		+	find / -type f -mtime 730 -print0 \| du --files0-from=- -hc \| tail -n1

← Older revision		Revision as of 19:40, 21 February 2013
Line 99:		Line 99:
	This would create a symlink named target that would point to path/to/target ( target -> path/to/target )<br>		This would create a symlink named target that would point to path/to/target ( target -> path/to/target )<br>
	Note: This also works for directories.		Note: This also works for directories.
		+
		+
		+	== Find ==
		+	Find all conf files on your system
		+	find / -iname "*.conf"
		+
		+	Find files who haven't been modified in 1 year
		+	find / -type f -mtime +356 -print0
		+
		+	-mtime = modified time
		+	-print0 = needed to display files containing white space
		+	-type f = files (not directories)
		+

@@ Line 26: / Line 26: @@
   -a #                =   Display # number of lines AFTER a match
   -v                  =   Invert Match or Exclusion
-  'FilterString1'\|'FilterString2'\|'FilterString3'  =  Multiple Filters
+  'FilterString1\|FilterString2\|FilterString3'  =  Multiple Filters
 <br>
 '''Remove Comments from files'''
@@ Line 35: / Line 35: @@
 <br>
 '''Remove Comments and Whitespace'''
-  grep -v '#' FileName | grep -v '^$' > FileName2
+  grep -v '#\|^$' FileName > FileName2

@@ Line 97: / Line 97: @@
 or if the linkname is going to be the same as the source filename then
   ln -s path/to/target
-This would create a symlink named target that would point to path/to/target ( target -> path/to/target )
+This would create a symlink named target that would point to path/to/target ( target -> path/to/target )<br>

← Older revision		Revision as of 06:05, 4 June 2012
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	Thats it.		Thats it.

		+
		+	== Symbolic Links (symlinks) ==
		+	ln -s path/to/target linkname
		+	or if the linkname is going to be the same as the source filename then
		+	ln -s path/to/target
		+	This would create a symlink named target that would point to path/to/target ( target -> path/to/target )

@@ Line 34: / Line 34: @@
   grep -v "^$" FileName1 > FileName2
 <br>
 == List File/Directory Size ==

@@ Line 28: / Line 28: @@
   'FilterString1'\|'FilterString2'\|'FilterString3'  =  Multiple Filters
 <br>
 du = List the size of a file or Directory<br>
 ''Basic usage: du -hs <file or dir>''<br>