Some usefull Perforce commands
Sync your files :
sh
p4 sync
Sync your files to the older version :
sh
p4 sync @n
Sync files to the latest revision on the repository :
sh
p4 sync @n+1
Set P4 Ignore :
sh
p4 set p4ignore=_filename.ext_
Open all the files for edit :
sh
p4 edit
Accept the changes that you have made :
sh
p4 resolve -ay
Submit the changes :
WARNING
Be sure to not have this character " ' " into a changelist description
sh
p4 submit