Useful but uncommon Linux Commands

linux_commands

Recursively deleting all backup files that CVS creates (CVS creates backup files like .#Filename.java.1.1):
find ./ -name \.\*|xargs rm -f

Recursively changing ownership of CVS checkout
find ./ -name Tag | xargs sed -i -e "s/old_username/new_username/"

Recursively removing tabs from source files:
find . -name *.java -exec sed -ie 's/<Ctrl V and then a TAB>/    /g' {} \;