失意人前，勿谈得意事；得意人前，勿谈失意事

生成字符序列

stty -a; stty size; stty -ixon

blkid

script

linux clock time date

char *s = "abc" "def";

cat >hello.sh <<EOF

strings vmlinuz | head -n 20

Virtual Consoles

gzip: unknown suffix -- ignored

vmware

PS_FORMAT

( ) parenthsis

whatis printf

pid_t

( gnome-terminal &)

usr/share/terminfo/78/

POSIX regullar expression

eta