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 # Shrusti
 linux commands assignment
+
+
+
+activity
+1
++ Activity-1 → ls command options
+2
++ Using man ls, here are the
+explanations for the flags
+3
+mentioned:
++· ls -b → Prints non-
+printable characters in file
+names as octal escape sequences
+(\xxx).
+4
+ls -c → Sorts files by
+ctime (last status change)
+instead of modification time.
+Also affects -lt.
+5
++ · ls -d → Lists only
+directory entries themselves,
+not their contents (e.g., ls -d
+/etc just shows /etc).
+6
++ • ls -e → On some systems,
+shows access control list (ACL)
+7
+info (like ls -l --time=atime).
++ • ls -f → Displays directory
+contents unsorted (as they are
+stored). Also implies -a (show
+8
+hidden files).
+ls -z > Shows SELinux
+security context for files
+(useful in security-enabled
+systems).
+
+ls -z → Shows SELinux
+security context for files
+(useful in security-enabled
+9
+systems).
++
+10
++ Other commands to explore (do
+11
+on terminal)
+whoami → Prints your
+12
+current logged-in username.
++· pwd → Shows the current
+working directory.
+13
+cd → Changes directory.
+14
++·
+cd /→ Moves you to the
+root directory.
+15
+cd ..→ Moves you one level
+16
+up (to the parent directory).
+cd <path>→ Moves you to
+the specified path.
+17
++
+18
++ Activity-2 > tree command
+19
+options
+20
++ Using man tree:
+tree -a → Shows all files
+including hidden ones (those
+starting with .).
+github.com - Private
+
++
+cd / → Moves you to the
+15
+root directory.
+cd ..→ Moves you one level
+up (to the parent directory).
+16
+cd <path>→ Moves you to
+17
+the specified path.
+18
++ Activity-2 → tree command
+19
+options
++ Using man tree:
+20
+tree -a → Shows all files
+including hidden ones (those
+21
+starting with .).
+tree -d → Lists only
+22
+directories.
+tree -u > Shows the file
+23
+owner's username.
+tree -p → Shows permissions
+(rwx)for each file/directory.
+24