Cheat Sheet Bash



In this Linux/Unix command line / Terminal cheat sheet, you will learn: Basic Linux commands File Permission commands Environment Varia. Reverse Shell Cheat Sheet If you’re lucky enough to find a command execution vulnerability during a penetration test, pretty soon afterwards you’ll probably want an interactive shell. If it’s not possible to add a new account / SSH key /.rhosts file and just log in, your next step is likely to be either trowing back a reverse shell.

regex

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case

Linux Command Cheat Sheet

StatementDescription
-a fileTrue if file exists.
-b fileTrue if file exists and is a block special file.
-c fileTrue if file exists and is a character special file.
-d fileTrue if file exists and is a directory.
-e fileTrue if file exists.
-f fileTrue if file exists and is a regular file.
-g fileTrue if file exists and its set-group-id bit is set.
-h fileTrue if file exists and is a symbolic link.
-k fileTrue if file exists and its “sticky” bit is set.
-p fileTrue if file exists and is a named pipe (FIFO).
-r fileTrue if file exists and is readable.
-s fileTrue if file exists and has a size greater than zero.
-t fdTrue if file descriptor fd is open and refers to a terminal.
-u fileTrue if file exists and its set-user-id bit is set.
-w fileTrue if file exists and is writable.
-x fileTrue if file exists and is executable.
-G fileTrue if file exists and is owned by the effective group id.
-L fileTrue if file exists and is a symbolic link.
-N fileTrue if file exists and has been modified since it was last read.
-O fileTrue if file exists and is owned by the effective user id.
-S fileTrue if file exists and is a socket.
file1 -ef file2True if file1 and file2 refer to the same device and inode numbers.
file1 -nt file2True if file1 is newer (according to modification date) than file2, or if file1 exists and file2 does not.
file1 -ot file2True if file1 is older than file2, or if file2 exists and file1 does not.
-o optnameTrue if the shell option optname is enabled. The list of options appears in the description of the -o option to the set builtin (see The Set Builtin).
-v varnameTrue if the shell variable varname is set (has been assigned a value).
-R varnameTrue if the shell variable varname is set and is a name reference.
-z stringTrue if the length of string is zero.
-n stringTrue if the length of string is non-zero.
string1 string2, string1 = string2True if the strings are equal. When used with the [[ command, this performs pattern matching as described above (see Conditional Constructs).
’=’ should be used with the test command for POSIX conformance.
string1 != string2True if the strings are not equal.
string1 < string2True if string1 sorts before string2 lexicographically.
string1 > string2True if string1 sorts after string2 lexicographically.
arg1 OP arg2OP is one of ‘-eq’, ‘-ne’, ‘-lt’, ‘-le’, ‘-gt’, or ‘-ge’. These arithmetic binary operators return true if arg1 is equal to, not equal to, less than, less than or equal to, greater than, or greater than or equal to arg2, respectively. Arg1 and arg2 may be positive or negative integers. When used with the [[ command, Arg1 and Arg2 are evaluated as arithmetic expressions (see Shell Arithmetic).
Cheat

For many, the command line belongs to long gone days: when computers were controlled by typing mystical commands into a black window; when the mouse possessed no power. But for many use cases, the command line is still absolutely indispensable!

Our cheat sheet not only features the most important commands. Download logic pro x mac crack. On the back, it also explains some tips & tricks that make working with the CLI a lot easier. Age of empires 3 expansion download mac.

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Regex Cheat Sheet Bash

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