Type the following command to disable shell access for tom:
# chsh -s /sbin/nologin {username}
# chsh -s /sbin/nologin tom
Sample Outputs:
Changing shell for tom
Shell changed.
Jul 292009
Jul 172009
$variable = condition ? if true : if false;
as in:
$age = 24;
$drinkingAge = ($age > 21) ? “have a beer” : “have an iced tea”;
echo $drinkingAge; // returns have a beer
Jul 102009
find by name
find /directory -name “filename.ext”
find /directory -name filename.*
find /directory -name *.php
ignore case
find /directory -iname “filename.ext”
invert results (list files that don’t end with .php)
find /home/test ! -name “*.php”
search only 1 directory deep
find /home/test -maxdepth 2 -name “*.php”
only 2 directories deep
find /home/test -maxdepth 3 -name “*.php”
Find all directories
# find . -type d
Find only the normal files
# find . -type f
Find all the hidden files
# find . -type f -name “.*”
Find all the hidden directories
# find -type d -name “.*”
Find files bigger than the given size
# find ~ -size +100M
Find files smaller than the given size
# find ~ -size -100M
Find files that matches the exact given size
# find ~ -size 100M
Accessed files
Find based on minutes (60 minutes)
find /home -amin -60
Long list the files which are accessed within the last 1 hour.
find /home -amin -60 -exec ls -l {} \;
Find based on day(s) (24 hours)
find /home -atime -1
Long list the files which are accessed within the last 1 day.
find /home -atime -1 -exec ls -l {} \;
Modified files
Find based on minutes (60 minutes)
find /home -mmin -60
Long list the files which are accessed within the last 1 hour.
find /home -mmin -60 -exec ls -l {} \;
Find based on day(s) (24 hours)
find /home -mtime -1
Long list the files which are accessed within the last 1 day.
find /home -mtime -1 -exec ls -l {} \;
hide errors (Permission denied)
find -name “*.txt” 2>>/dev/null
Jul 022009
To display the full path in the Finder title in Leopard, open Terminal.app and run:
$ defaults write com.apple.finder _FXShowPosixPathInTitle -bool YES
then
$ osascript -e ‘tell app “Finder” to quit’
Then relaunch the Finder from the dock. To undo:
$ defaults write com.apple.finder _FXShowPosixPathInTitle -bool NO