pwd:print work directory 打印当前目录,显示出当前工作目录的绝对路径
df: disk free,显示磁盘可用空间数目信息及空间结点信息。
du: Disk usage
rpm:即RedHat Package Management,是RedHat的发明之一
rmdir:Remove Directory(删除目录)
rm:Remove(删除目录或文件)
cat: concatenate 连锁
mkdir:Make Directory(创建目录)
touch
man: Manual
su:Swith user(切换用户)
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 (磁带档案)
ldd:List dynamic dependencies
insmod:Install module
rmmod:Remove module
lsmod:List module
文件结尾的"rc"(如.bashrc、.xinitrc等):Resource configuration
Knnxxx /Snnxxx(位于rcx.d目录下):K(Kill);S(Service);nn(执行顺序号);xxx(服务标识)
.a(扩展名a):Archive,static library
.so(扩展名so):Shared object,dynamically linked library
.o(扩展名o):Object file,complied result of C/C++ source file
RPM:Red hat package manager
dpkg:Debian package manager
apt:Advanced package tool(Debian或基于Debian的发行版中提供)
bc = Basic (Better) Calculator
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