Latest revision as of 00:18, 12 January 2012

  Directories & Files
--------------------------------
Home Page      user:scott
Tech Support   user:scott/02
Dir & Files    user:scott/03
Network        user:scott/04
Troubleshoot   user:scott/05
Laptops        user:scott/06
Resources      user:scott/07
Notes          user:scott/08

Template:TOC limit

top

Useful Commands to Remember

history (!2054)

gksudo nautilus /home

gconf-editor (configuration)

run-process-in-background

sudo gedit xxxx &

 ls -l                              ls –F 
 d = directory                      / = sub-directory
 l = symbolic link                  @ = linked_file
 b or c = device block or char      * = executable_file
 n = named pipe                     | = named pipe
 s = socket                         = socket

ls [switches]

ls -a [-a all]
ls -R [-R recursive subfolders]  
ls -t [-t sort by time] 
ls -i [-i inode] 
ls -n [-n UID & GID] 
ls -r [-r reverse order]
ls -1 [-1 line by line] 
ls -F [-F */=@|]

Permissions for Directories and Files

Owner & Groups

chgrp
chown -R root:root folder-name
chown oem:oem file-name

rwx Attributes

chmod 774 folder-name (rwxrwxr--)
chmod 664 file-name   (rw-rw-r--)
chmod ugo+rwx /dir/file
chmod ugo-rwx /dir/file

Active Process (list)

ps -l (bash)
ps -e [-e all processes] [-f full-listing]

Directory/File Size

du -h   (-h human readable)
du -hc  (-c Directory Total Size)
sudo du -ch  (include .hidden files)
sudo du -ch --max-depth=1  /home/ (include /home/xxx)

variations

du -h | less                 (-h human readable)
du -h /home/bob/Downloads/   (dir. in Download)
du -ha /home/bob/Downloads/  (files & dir. in Download)

du -ha /home/bob/Downloads/ | grep -i firefox   (find all instances of firefox and -i ignore case)

top

Locate & Find Commands

Find an Application

whereis [program]
which   [program]

Locate a File

sudo updatedb
locate file-name
locate file-name | grep xxx

Copy & Move Commands

cp -vr Source ~/Destination  (-r pr -R recursively)	  	
mv -v  Source ~/Destination  (-r not necessary)
rm -rivf Desktop/ /home/dir [rmdir + content] [-i prompt] [-f force]

Find the Difference Between Two Files

diff file1 file2

Symbolic Link (create)

ln –s target linkname (symbolic link)

TAR & .ZIP

gzip file (zips) gunzip file (unzips)

tar -cvf NameOfArchive.tar file1 + dir1 + file2 (pack) [-c create] [-f ???] tar -xvf NameOfArchive.tar (unpack) [-x extract]

tar -czvf NameOfArchive.tar.gz file1 + dir1 + file2 (pack & zip) tar -xzvf NameOfArchive.tar.gz (unpack & unzip)

whoami

finger (who is logged in)
id (uid=1000(sjnSUSE) gid=100(users) groups=100(users)
date & cal

top

echo $PATH

A list of directories your shell searches through when you enter a command

/usr/local/sbin:
/usr/local/bin:
/usr/sbin:
/usr/bin:
/sbin:
/bin:
/usr/games

Find MAN Pages

man –k whoami (look-up commands)
info whoami
help whoami

@@ Line 13: / Line 13: @@
 __TOC__
-==Favorite Commands==
+[[#top|top]]
-*history (!2054)
-*gksudo nautilus /home
-*gconf-editor (configuration)
-==List Files==
+=Useful Commands to Remember=
- ls -Ra  [-R recursive] [-a all]
+==history (!2054)==
- ls -ti  [-t sort by time] [-i inode]
+==gksudo nautilus /home==
- ls -nr  [-n UID & GID] [-r reverse order]
+==gconf-editor (configuration)==
- ls -1F   [-1 line by line] [-F */=@|]
+==run-process-in-background==
+*sudo gedit xxxx &
-[[#top|top]]
+<pre>
+ ls -l                              ls –F
+ d = directory                      / = sub-directory
+ l = symbolic link                  @ = linked_file
+ b or c = device block or char      * = executable_file
+ n = named pipe                     | = named pipe
+ s = socket                         = socket
+</pre>
+=ls [switches]=
+ ls -a [-a all]
+ ls -R [-R recursive subfolders]
+ ls -t [-t sort by time]
+ ls -i [-i inode]
+ ls -n [-n UID & GID]
+ ls -r [-r reverse order]
+ ls -1 [-1 line by line]
+ ls -F [-F */=@|]
+=Permissions for Directories and Files=
-===File Attributes===
+==Owner & Groups==
-  ls -l
+  chgrp
-  d = directory
+  chown -R root:root folder-name
-  l = symbolic link
+  chown oem:oem file-name
- b or c = device block or char
- n = named pipe
- s = socket
- ls –F
+==rwx Attributes==
-  @ = linked_file
+  chmod 774 folder-name (rwxrwxr--)
-  * = executable_file
+  chmod 664 file-name   (rw-rw-r--)
-  / = subdirectory
+  chmod ugo+rwx /dir/file
-  = socket
+  chmod ugo-rwx /dir/file
- | = named pipe
-===List Process Status===
+=Active Process (list)=
   ps -l (bash)
   ps -e [-e all processes] [-f full-listing]
-==Directory Size==
+=Directory/File Size=
-  du -h
+  du -h   (-h human readable)
+ du -hc  (-c Directory Total Size)
+ sudo du -ch  (include .hidden files)
+ sudo du -ch --max-depth=1  /home/ (include /home/xxx)
-==Directory File Usage==
+==variations==
   du -h | less                 (-h human readable)
@@ Line 58: / Line 74: @@
 [[#top|top]]
-==Search Locate Find==
+=Locate & Find Commands=
+==Find an Application==
   whereis [program]
   which   [program]
+==Locate a File==
   sudo updatedb
-  locate /dir/dir | grep file
+  locate file-name
-  find -name filename ???
+  locate file-name | grep xxx
-==COPY MOVE==
+=Copy & Move Commands=
   cp -vr Source ~/Destination  (-r pr -R recursively)
   mv -v  Source ~/Destination  (-r not necessary)
   rm -rivf Desktop/ /home/dir [rmdir + content] [-i prompt] [-f force]
-==Symbolic Lnk==
+=Find the Difference Between Two Files=
+ diff file1 file2
+=Symbolic Link (create)=
   ln –s target linkname (symbolic link)
-==Difference between two files==
+=TAR & .ZIP=
- diff file1 file2
-==.TAR & .ZIP==
 gzip file (zips)
 gunzip file (unzips)
@@ Line 87: / Line 106: @@
 tar -xzvf NameOfArchive.tar.gz	                      (unpack & unzip)
-==whoami==
+=whoami=
   finger (who is logged in)
   id (uid=1000(sjnSUSE) gid=100(users) groups=100(users)
@@ Line 94: / Line 113: @@
 [[#top|top]]
-==echo $PATH==
+=echo $PATH=
   A list of directories your shell searches through when you enter a command
@@ Line 105: / Line 124: @@
   /usr/games
-==MAN Pages==
+=Find MAN Pages=
   man –k whoami (look-up commands)
   info whoami
   help whoami

Difference between revisions of "User:Scott/03"