pwd:print work directory 列印當前目錄 顯示出當前工作目錄的絕對路徑
ps: process status 程序狀態,類似於windows的任務管理器
常用引數:-auxf
ps -auxf 顯示程序狀態
df: disk free 其功能是顯示磁碟可用空間數目資訊及空間結點資訊。換句話說,就是報告在任何安裝的裝置或目錄中,還剩多少自由的空間。
du: disk usage
rpm:redhat package management redhat的發明之一
rmdir:remove directory 刪除目錄
rm:remove 刪除目錄或檔案
cat: concatenate 連鎖
cat file1file2>>file3 把檔案1和檔案2的內容聯合起來放到file3中
insmod: install module 載入模組
ln -s : link -soft 建立乙個軟鏈結,相當於建立乙個快捷方式
mkdir:make directory 建立目錄
touch
man: manual
su:swith user 切換使用者
cd:change directory
ls:list files
ps:process status
mkdir:make directory
rmdir:remove directory
mkfs: make file system
fsck:file system check
uname: unix name
lsmod: list modules
mv: move file
rm: remove file
cp: copy file
ln: link files
fg: foreground
bg: background
chown: change owner
chgrp: change group
chmod: change mode
umount: unmount
tar:tape archive 磁帶檔案
ldd:list dynamic dependencies
insmod:install module
rmmod:remove module
lsmod:list module
檔案結尾的"rc"(如.bashrc、.xinitrc等):resource configuration
knn*** /snn***(位於rcx.d目錄下):k(kill);s(service);
nn(執行順序號);***(服務標識)
.a(副檔名a):archive,static library
.so(副檔名so):shared object,dynamically linked library
.o(副檔名o):object file,complied result of c/c++ source file
rpm:red hat package manager
dpkg:debian package manager
apt:advanced package tool(debian或基於debian的發行版中提供部分linux命令縮寫)
bin = binaries (二進位制檔案)
/dev = devices (裝置)
/etc = etcetera (等等)
/lib = library
/proc = processes
/sbin = superuser binaries (超級使用者的二進位制檔案)
/tmp = temporary (臨時)
/usr = unix shared resources
/var = variable (變數)
fifo = first in, first out
grub = grand unified bootloader
ifs= internal field seperators
lilo = linux loader
mysql = my 是最初作者女兒的名字,
sql = structured querylanguage
php = personal home page tools = php hypertextpreprocessor
ps = prompt string
tcl = tool command language
tk = toolkit
vt = video terminal
yast = yet another setup tool
apache = "a patchy" server
apt = advanced packaging tool
ar = archiver
as = assembler
bash = bourne again shell
bc = basic (better) calculator
cal = calendar (日曆)
cat = catenate (鏈結)
chsh = change shell
cmp = compare
cobra = common object request brokerarchitecture
comm = common
cp = copy
cpio = copy in and out
cpp = c pre processor
cron = chronos 希臘文時間
cups = common unix printing system
cvs = current version system
daemon = disk and execution monitor
dc = desk calculator
dd = disk dump (磁碟轉儲)
df = disk free
diff = difference
dmesg = diagnostic message
du = disk usage
ed = editor
egrep = extended grep
elf = extensible linking format
elm = electronic mail
emacs = editor macros
eval = evaluate
ex = extended
exec = execute (執行)
fd = file descriptors
fg = foreground
fgrep = fixed grep
fmt = format
fsck = file system check
fstab = filesystem table
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