To search backward in the history for a particular string, type C-r. Typing C-s searches forward through the history. The problem with Ctrl-S however is that sometimes collides with XON/XOFF flow control (in Konsole for instance). The searching is…
OR $ grep “1\|2” 1.txt 1 2 $ grep -E “1|2” 1.txt 1 2 grep -E “^1$|2” 1.txt 1 2 grep -e 1 -e 2 1.txt 1 2 egrep “1|2” 1.txt 1 2 AND grep -E ‘1.*2’ 2.txt 1 2…
:~ ${HOSTNAME}$ cd Library/Application\ Support/Skype/${USERNAME}/ sqlite3 main.db sqlite> select * from messages sqlite> delete from messages where id > 2904; sqlite> .exit
Correct dd BS= 0 # cat script.sh #!/bin/bash # #create a file to work with # echo “creating a file to work with” dd if=/dev/zero of=/var/tmp/infile count=1175000 for bs in 1k 2k 4k 8k 16k 32k 64k 128k 256k 512k…
testdisk parted with rescue command gpart gparted
cat .screenrc hardstatus alwayslastline hardstatus string ‘%{= kG}[ %{G}%H %{g}][%= %{=kw}%?%-Lw%?%{r}(%{W}%n*%f%t%?(%u)%?%{r})%{w}%?%+Lw%?%?%= %{g}][%{B}%Y-%m-%d %{W}%c %{g}]’ # Default screens screen -t Alt-Tab-1 0 screen -t Alt-Tab-2 1 screen -t Debian 2 ssh root@IP screen -t ICKO 3 ssh root@IP
Gentoo emerge -avt mc Debain apt-get install mc