some commands that may be helpful:
- disable touch pad:
xinput set-prop "SynPS/2 Synaptics TouchPad" "Device Enabled" 0
- compiling with including root libraries:
g++ `root-config --cflags` -I${ROOTSYS}/include prog.C `root-config --libs`
- find big files on your system:
ls -lahS $(find / -type f -size +10000k)
- gluing together pdf files:
gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=finished.pdf file1.pdf file2.pdf
- extracting single ps page:
psselect -p 3 fulldocument.ps page3.ps
- modify firefox newtab: type url
about:config
and search for browser.newtab.url
; some possible values about:blank
, about:home
, about:newtab