Difference between revisions of "User:Scott/03"
Jump to navigation
Jump to search
| Line 22: | Line 22: | ||
*sudo gedit xxxx & | *sudo gedit xxxx & | ||
| − | + | =File Attributes= | |
ls -l | ls -l | ||
d = directory | d = directory | ||
| Line 37: | Line 37: | ||
| = named pipe | | = named pipe | ||
| − | + | =File Directory Tree= | |
ls -Ra [-R recursive] [-a all] | ls -Ra [-R recursive] [-a all] | ||
ls -ti [-t sort by time] [-i inode] | ls -ti [-t sort by time] [-i inode] | ||
Revision as of 23:07, 11 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 &
File Attributes
ls -l d = directory l = symbolic link b or c = device block or char n = named pipe s = socket
ls –F @ = linked_file * = executable_file / = subdirectory = socket | = named pipe
File Directory Tree
ls -Ra [-R recursive] [-a all] ls -ti [-t sort by time] [-i inode] ls -nr [-n UID & GID] [-r reverse order] ls -1F [-1 line by line] [-F */=@|]
File Permissions
Change Owner & Group
chgrp chown -R root:root folder-name chown oem:oem file-name
Change Folder & File
chmod 774 folder-name (rwxrwxr--) chmod 664 file-name (rw-rw-r--) chmod ugo+rwx /dir/file chmod ugo-rwx /dir/file
Process (running & idle)
ps -l (bash) ps -e [-e all processes] [-f full-listing]
Directory 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)
Directory File Usage
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