Difference between revisions of "User:Scott/03"
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| Line 22: | Line 22: | ||
*sudo gedit xxxx & | *sudo gedit xxxx & | ||
| − | |||
<pre> | <pre> | ||
ls -l ls –F | ls -l ls –F | ||
| Line 32: | Line 31: | ||
</pre> | </pre> | ||
| − | = | + | =ls [switches]= |
ls -a [-a all] | ls -a [-a all] | ||
ls -R [-R recursive subfolders] | ls -R [-R recursive subfolders] | ||
| Line 42: | Line 41: | ||
ls -F [-F */=@|] | ls -F [-F */=@|] | ||
| − | = | + | =Permissions for Directories and Files= |
| − | == | + | |
| + | ==Owner & Groups== | ||
chgrp | chgrp | ||
chown -R root:root folder-name | chown -R root:root folder-name | ||
chown oem:oem file-name | chown oem:oem file-name | ||
| − | == | + | ==rwx Attributes== |
chmod 774 folder-name (rwxrwxr--) | chmod 774 folder-name (rwxrwxr--) | ||
chmod 664 file-name (rw-rw-r--) | chmod 664 file-name (rw-rw-r--) | ||
| Line 54: | Line 54: | ||
chmod ugo-rwx /dir/file | chmod ugo-rwx /dir/file | ||
| − | = | + | =Active Process (list)= |
ps -l (bash) | ps -l (bash) | ||
ps -e [-e all processes] [-f full-listing] | ps -e [-e all processes] [-f full-listing] | ||
| − | + | =Directory/File Size= | |
du -h (-h human readable) | du -h (-h human readable) | ||
du -hc (-c Directory Total Size) | du -hc (-c Directory Total Size) | ||
| Line 64: | Line 64: | ||
sudo du -ch --max-depth=1 /home/ (include /home/xxx) | sudo du -ch --max-depth=1 /home/ (include /home/xxx) | ||
| − | == | + | ==variations== |
du -h | less (-h human readable) | du -h | less (-h human readable) | ||
Revision as of 00:01, 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
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)
Search Locate Find
whereis [program] which [program]
sudo updatedb locate /dir/dir | grep file find -name filename ???
COPY MOVE
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
ln –s target linkname (symbolic link)
Difference between two files
diff file1 file2
.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
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
MAN Pages
man –k whoami (look-up commands) info whoami help whoami